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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

4x-(2(x+3))-7=0



We calculate terms in parentheses: -(2(x+3)), so:

2(x+3)

We multiply parentheses

2x+6

Back to the equation:

-(2x+6)



We get rid of parentheses

4x-2x-6-7=0

We add all the numbers together, and all the variables

2x-13=0

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

2x=13

x=13/2

x=6+1/2

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