Question

solve. -15(4 + 3x) - 8x = 26 - 6 (x - 9)

Answer 1

first distribute -15 over the (4 + 3x)
and -6 over (x-9)
can you do that?

Answer 2

swo it would be -15/7x and -15x

Answer 3

no - you multiply 4 by -15 then +3 by -15

distributive law is a(b + c) = ab + ac

Answer 4

-60 and -45

Answer 5

so it -15(4 + 3x) = -60 - 45x

Answer 6

sorry - left out the x after the 3

Answer 7

so the equation becomes
-60 - 45x - 8x = 26 - 6x + 54

Answer 8

do u follow that ok?

Answer 9

a little

Answer 10

right - generally you work out the parentheses first

Answer 11

ok

Answer 12

-6(x - 9) = -6*x -6*-9 = -6x + 54 (note : - times - = +)

Answer 13

writing it out again
-60 - 45x - 8x = 26 - 6x + 54
now we need to bring all terms in x (like -6x) to the left hand side of the = and all the nmnbers to right hand side
so add 60 to both sides
-60 - 45x - 8x + 60 = 26 - 6x + 54 + 60
60's on left hand side cancel out -60 + 60 = 0 so;
- 45x - 8x = 26 - 6x + 54 + 60
now add -6x to both sides ( to get rid of -6 on RHS)

Answer 14

* typo add 6x

Answer 15

any questions - ru following this ok?

Answer 16

im following so far

Answer 17

good
adding 6x to both sides:
copying from last post
- 45x - 8x = 26 - 6x + 54 + 60
-45x - 8x + 6x = 26 -6x + 6x + 54 + 60
6x's cancel out on RHS so we get
- 45x - 8x + 6x = 26 + 54 + 60

adding
-43x = 140

Answer 18

that's a little confusing but i got it thank you so much for helping me

Answer 19

yes - practicing these will help you grasp the ideas behind the algebra
i made a slight mistake on last line
its 47x = 140 not 43x

and x is found by dividing both sides by -47

so x = 140 / -47 or -140/47

Answer 20

no probs monica

Answer 21

to practice try an easier one like 4(x + 1) = 8

Answer 22

if you want to!!1

Answer 23

so to find the answer i have to divide 140/-7

Answer 24

yes 140/-47 use calculator

Answer 25

you should get - 2.98 to decimal places

Answer 26

thats what i got

Answer 27

good