7x-4+2x=12+7x

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Solution for 7x-4+2x=12+7x equation: 



7x-4+2x=12+7x

We move all terms to the left:

7x-4+2x-(12+7x)=0

We add all the numbers together, and all the variables

7x+2x-(7x+12)-4=0

We add all the numbers together, and all the variables

9x-(7x+12)-4=0

We get rid of parentheses

9x-7x-12-4=0

We add all the numbers together, and all the variables

2x-16=0

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

2x=16

x=16/2

x=8

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