13*(x-4)=78

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Solution for 13*(x-4)=78 equation: 



13(x-4)=78

We move all terms to the left:

13(x-4)-(78)=0

We multiply parentheses

13x-52-78=0

We add all the numbers together, and all the variables

13x-130=0

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

13x=130

x=130/13

x=10

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