3x-12=2(7+x)

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Solution for 3x-12=2(7+x) equation: 



3x-12=2(7+x)

We move all terms to the left:

3x-12-(2(7+x))=0

We add all the numbers together, and all the variables

3x-(2(x+7))-12=0



We calculate terms in parentheses: -(2(x+7)), so:

2(x+7)

We multiply parentheses

2x+14

Back to the equation:

-(2x+14)



We get rid of parentheses

3x-2x-14-12=0

We add all the numbers together, and all the variables

x-26=0

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

x=26

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