3x+7-4x=15+2

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Solution for 3x+7-4x=15+2 equation: 



3x+7-4x=15+2

We move all terms to the left:

3x+7-4x-(15+2)=0

We add all the numbers together, and all the variables

3x-4x+7-17=0

We add all the numbers together, and all the variables

-1x-10=0

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

-x=10

x=10/-1

x=-10

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