Question

Evaluate 2x − y when x = 3 and y = −2

Answer 1

Just plug the coff. of the variable in the equation :
2(3)-(-2)= ?

Answer 2

just plug in the values.

Answer 3

so what the anwers

Answer 4

Eyad gave you the problem, and if you know how to multiply, then you should be able to do it

Answer 5

9

Answer 6

try again...

Answer 7

5

Answer 8

-

Answer 9

2(3) - (-2) =
start with 2 x 3 = what ?

Answer 10

-5

Answer 11

what is 2 x 3 ?

Answer 12

9

Answer 13

-9

Answer 14

let me show you...
2(3) - (-2) -- a negative times a negative becomes a positive
6 + 2 = your answer
So what is 6 + 2 ?

Answer 15

8

Answer 16

Correct !!! Good job !

Answer 17

incorrect

Answer 18

-5

Answer 19

how is that incorrect ?
2x - y when x = 3 and y = - 2
plug in 3 for x and -2 for y
2x - y
2(3) - (-2)
6 + 2 = 8
That should be correct.

Answer 20

Did you write the problem correctly ?

Answer 21

yes

Answer 22

why did you put -5 ? Is that supposed to be the correct answer ?

Answer 23

2x - y - Z
2(-2) - (3) - (-2)
-4 - 3 + 2= -5

Answer 24

Plug the numbers in

Answer 25

you didn't write the problem correctly. You said y was -2 and there wasn't even a z in the problem.

Answer 26

and x is supposed to be 3

Answer 27

nop

Answer 28

next time make sure you write the problem down correctly and you will get the right answer

Answer 29

im correct

Answer 30

no you are not.....that is, if you are going by your original problem

Answer 31

so what the answer then???

Answer 32

-5

Answer 33

what is the correct problem including what the variables equal ?

Answer 34

Is the problem 2x - y - z where x = 3, y = -2, and what does z equal ?

Answer 35

or are you supposed to find z ?

Answer 36

Evaluate 2x − y − z when x = −2, y = 3, and z = −2

Answer 37

2x - y - Z
2(-2) - (3) - (-2)
-4 - 3 + 2= (-5 answer)

Answer 38

ok...let me do this...
2x - y - z
2(-2) - 3 - (-2)
-4 - 3 + 2
- 7 + 2
- 5
You are correct...it is - 5.
Next time, write the correct problem down and it would make this much easier

Answer 39

@kelliegirl33 for your patience you deserve all the medals in the world.

Answer 40

lol...thank you Eleven17....sometimes it is not so easy