-7x+3=123+3x

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Solution for -7x+3=123+3x equation: 



-7x+3=123+3x

We move all terms to the left:

-7x+3-(123+3x)=0

We add all the numbers together, and all the variables

-7x-(3x+123)+3=0

We get rid of parentheses

-7x-3x-123+3=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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