-3=x+3x-7

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



-3=x+3x-7

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(4x-7)-3=0

We get rid of parentheses

-4x+7-3=0

We add all the numbers together, and all the variables

-4x+4=0

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

-4x=-4

x=-4/-4

x=1

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