-3x=78+3x

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



-3x=78+3x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-3x-3x-78=0

We add all the numbers together, and all the variables

-6x-78=0

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

-6x=78

x=78/-6

x=-13

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