3(x-1)+2=7+x

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Solution for 3(x-1)+2=7+x equation: 



3(x-1)+2=7+x

We move all terms to the left:

3(x-1)+2-(7+x)=0

We add all the numbers together, and all the variables

3(x-1)-(x+7)+2=0

We multiply parentheses

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

We get rid of parentheses

3x-x-7-3+2=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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