13(x+3)=78

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



13(x+3)=78

We move all terms to the left:

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

We multiply parentheses

13x+39-78=0

We add all the numbers together, and all the variables

13x-39=0

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

13x=39

x=39/13

x=3

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