-3(x-13)=78

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Solution for -3(x-13)=78 equation: 



-3(x-13)=78

We move all terms to the left:

-3(x-13)-(78)=0

We multiply parentheses

-3x+39-78=0

We add all the numbers together, and all the variables

-3x-39=0

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

-3x=39

x=39/-3

x=-13

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