3x+(-2x)=8+7

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Solution for 3x+(-2x)=8+7 equation: 



3x+(-2x)=8+7

We move all terms to the left:

3x+(-2x)-(8+7)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

3x-2x-15=0

We add all the numbers together, and all the variables

x-15=0

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

x=15

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