7(x+6)+7x=84

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Solution for 7(x+6)+7x=84 equation: 



7(x+6)+7x=84

We move all terms to the left:

7(x+6)+7x-(84)=0

We add all the numbers together, and all the variables

7x+7(x+6)-84=0

We multiply parentheses

7x+7x+42-84=0

We add all the numbers together, and all the variables

14x-42=0

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

14x=42

x=42/14

x=3

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