12+4(2x-9)=-8

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Solution for 12+4(2x-9)=-8 equation: 



12+4(2x-9)=-8

We move all terms to the left:

12+4(2x-9)-(-8)=0

We add all the numbers together, and all the variables

4(2x-9)+20=0

We multiply parentheses

8x-36+20=0

We add all the numbers together, and all the variables

8x-16=0

We move all terms containing x to the left, all other terms to the right

8x=16

x=16/8

x=2

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