x-9=-3x+7

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Solution for x-9=-3x+7 equation: 



x-9=-3x+7

We move all terms to the left:

x-9-(-3x+7)=0

We get rid of parentheses

x+3x-7-9=0

We add all the numbers together, and all the variables

4x-16=0

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

4x=16

x=16/4

x=4

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