12+7(x)=20+5(x)=

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Solution for 12+7(x)=20+5(x)= equation: 



12+7(x)=20+5(x)=

We move all terms to the left:

12+7(x)-(20+5(x))=0

We add all the numbers together, and all the variables

7x-(5x+20)+12=0

We get rid of parentheses

7x-5x-20+12=0

We add all the numbers together, and all the variables

2x-8=0

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

2x=8

x=8/2

x=4

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