Question

3x+2y-3z=9
2x-3y+2z=15
4x-2y+4z=18

Answer 1

x+y+2z=18
x+y+4z=28
x+9y-3z=33

Answer 2

6x-y+3z=-15
x+3y-z=4
3x+3y-4z=-8

Answer 3

thats it?

Answer 4

a broad way theater has 600 seats divided into orchestra, main and balcony seating. Ocrcheastra seats sell for $50, main sears for $40 and balcony seats for $25. If all the seats are sold the gross revenue to the theater is $22,200. If a ll the main and balcony seats are sold but only half the orchestra seats are sold. the gross revenue is $19,200. How many are there of each kind of seat.

Answer 5

for the second question i got z=5

Answer 6

2nd z = 5 is correct

Answer 7

i got the solution for the 1st 3, i will go get a cup of it before starting on the 4th

Answer 8

already?

Answer 9

hehe they are piece of cake

Answer 10

im starting the 4th

Answer 11

yeah my daughter is bugging me and the tv is loud.

Answer 12

im stucks/.

Answer 13

which one

Answer 14

the second one.

Answer 15

-8y-12z=-129

Answer 16

oh thats suppose to be -21z

Answer 17

-8y-21z=17

Answer 18

x+y+2z=18
x+y+4z=28
------------subtract
-2z = -10 ===>z = 5

x+y+4z=28
x+9y-3z=33
------------subtract
-8y +7z = -5
-8y + 5*7 = -5
-8y = -5 - 35
-8y = -40
y = 5

Answer 19

now you got z and y, what is x?

Answer 20

you passed your 12mins a question

Answer 21

i know kids are annoying

Answer 22

x=8

Answer 23

nope

Answer 24

what?

Answer 25

x+y+2z=18
x + 5 + 2*5 = 18
x + 15 = 18
what is x

Answer 26

3

Answer 27

correct

Answer 28

so its 3,5,5 for the second question correct?

Answer 29

yes

Answer 30

6x-y+3z=-15
x+3y-z=4
3x+3y-4z=-8

Answer 31

if you tell me all the answers i will never ask anything from you again :D

Answer 32

lol you little cheater

Answer 33

eh..

Answer 34

i wont so u can ask more questions :P

Answer 35

i still have a two hour test to take before 11

Answer 36

x =-3
y = 3
z = 2

Answer 37

i got the answer for the 4th one

Answer 38

the word problem im working on that.

Answer 39

x=120

Answer 40

there is no x; its orchestra :P

Answer 41

so i used O

Answer 42

O = 120
M = 280
B = 200

Answer 43

now you have time to do the other 2 problems

Answer 44

thank you .

Answer 45

x+y+z=12
2x+4y+5z=35
4x-y=24

Answer 46

i have three more left

Answer 47

didnt we do 3 already

Answer 48

no.

Answer 49

x+y+z=12
2x+4y+5z=35
4x-y=24

y = 4; what is x?

Answer 50

x =-3
y = 3
z = 2 which one is this one

Answer 51

let me look; u make me do the work then you lose the solution

Answer 52

lol i just saw it.

Answer 53

x=7

Answer 54

6x-y+3z=-15
x+3y-z=4
3x+3y-4z=-8

x =-3
y = 3
z = 2

Answer 55

x+y+2z=18
x+y+4z=28
x+9y-3z=33

x = 3
y = 5
z = 5

Answer 56

a broad way theater has 600 seats divided into orchestra, main and balcony seating. Ocrcheastra seats sell for $50, main sears for $40 and balcony seats for $25. If all the seats are sold the gross revenue to the theater is $22,200. If a ll the main and balcony seats are sold but only half the orchestra seats are sold. the gross revenue is $19,200. How many are there of each kind of seat.

O = 120
M = 280
B = 200

Answer 57

whats 3x+2y-3z=9

Answer 58

3x+2y-3z=9
2x-3y+2z=15
4x-2y+4z=18
-------------- your turn. you have time :P

Answer 59

x+y+z=12
2x+4y+5z=35
4x-y=24

x = 7
y = 4
z = ?

Answer 60

x+y+z=12
2x+4y+5z=35
4x-y=24
x=7 y=4 z=1

Answer 61

correct, now u do the last 1

Answer 62

ok

Answer 63

i got 7z+z=27

Answer 64

what did you do

Answer 65

3x+2y=3z=9
4x-2y+4z=18

Answer 66

now i have 5 2x-3z=-12

Answer 67

3x+2y-3z=9
4x-2y+4z=18
---------------------
7x + z = 27

Answer 68

ok 2x-3z=-12
7z+z-27

Answer 69

x=3

Answer 70

2x-3y+2z=15 *2
4x-2y+4z=18*3

4x - 6y + 4z = 30
12x - 6y + 12z = 54
----------------------subtract
-6x - 6z = - 24

Answer 71

z=6

Answer 72

nope

Answer 73

:(

Answer 74

7x + z = 27
-6x - 6z = -24

Answer 75

how many min u have

Answer 76

10 i think

Answer 77

ok u have time

Answer 78

yeah right

Answer 79

7x + z = 27
-6x - 6z = -24
----------------i trust u

Answer 80

42x+6z=162

Answer 81

42x+6z=162
-6x - 6z = -24
--------------scared u huh

Answer 82

so i got 36x=138

Answer 83

but it come out 3.8

Answer 84

we did something wrong let me check

Answer 85

how many minutes?

Answer 86

7

Answer 87

6 min

Answer 88

hurry

Answer 89

x = 4
y = -3
z = ?

Answer 90

are we doing 6x-y+3z=-15

Answer 91

pellet times up we got a 60

Answer 92

we did that one

6x-y+3z=-15
x+3y-z=4
3x+3y-4z=-8
x =-3
y = 3
z = 2

Answer 93

i put the wrong answer in the wrong question

Answer 94

3x+2y-3z=9
2x-3y+2z=15
4x-2y+4z=18

x = 4
y = -3
z = ?

Answer 95

u can fix that right

Answer 96

times up. it submitted it. I have totake it again.

Answer 97

im sorry

Answer 98

what did u get?