2(x-3)+x=15

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Solution for 2(x-3)+x=15 equation: 



2(x-3)+x=15

We move all terms to the left:

2(x-3)+x-(15)=0

We add all the numbers together, and all the variables

x+2(x-3)-15=0

We multiply parentheses

x+2x-6-15=0

We add all the numbers together, and all the variables

3x-21=0

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

3x=21

x=21/3

x=7

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