5(x+7)+13=78

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Solution for 5(x+7)+13=78 equation: 



5(x+7)+13=78

We move all terms to the left:

5(x+7)+13-(78)=0

We add all the numbers together, and all the variables

5(x+7)-65=0

We multiply parentheses

5x+35-65=0

We add all the numbers together, and all the variables

5x-30=0

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

5x=30

x=30/5

x=6

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