What's the answer to 2y+18=12-6(y+7)

Hi, KaiStriegel!

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Thanks!

Well, the first step is to expand the brackets. Then, make sure all the terms in y are on the same side, and the other terms on another. Post your work, to see how you are getting with it.

2y+18=12-6(y+7)

count y's: 2 = -6; move left ---> 8y =

count #'s: 18 = 12 - 42 ; move right = 12 - 42 -18

8y = 12-42-18

Your turn.

The method reduces mistakes due to signs

You simply use inverse operations
2y+18=12-6(y+7)
add 6(y+7)
2y+18+6(y+7)=12
distributive property
2y+18+6y+42
simplify
8y+60=12
subtract 60
8y=-48
divide by 8
y=-6
or
8y=12-42-18
8y=-48
y=-6
pretty simple

how to solve this equation using completing the square x²-2x-5=0 with solution plzz help meeeeeee

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Originally Posted by KaiStriegel

Whats the answer to 2y+18=12-6(y+7)

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:confused:

Create your own thread jelyan.

Jelyn: You just have to finish post #4, which isn't hard. Add a few numbers and divide them by 8.