7x-50=-3x+70

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Solution for 7x-50=-3x+70 equation: 



7x-50=-3x+70

We move all terms to the left:

7x-50-(-3x+70)=0

We get rid of parentheses

7x+3x-70-50=0

We add all the numbers together, and all the variables

10x-120=0

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

10x=120

x=120/10

x=12

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