-42-3x=78+5x

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Solution for -42-3x=78+5x equation: 



-42-3x=78+5x

We move all terms to the left:

-42-3x-(78+5x)=0

We add all the numbers together, and all the variables

-3x-(5x+78)-42=0

We get rid of parentheses

-3x-5x-78-42=0

We add all the numbers together, and all the variables

-8x-120=0

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

-8x=120

x=120/-8

x=-15

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