-9+7x-4x+7=13

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Solution for -9+7x-4x+7=13 equation: 



-9+7x-4x+7=13

We move all terms to the left:

-9+7x-4x+7-(13)=0

We add all the numbers together, and all the variables

3x-15=0

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

3x=15

x=15/3

x=5

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