7(a-2)=84

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Solution for 7(a-2)=84 equation: 



7(a-2)=84

We move all terms to the left:

7(a-2)-(84)=0

We multiply parentheses

7a-14-84=0

We add all the numbers together, and all the variables

7a-98=0

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

7a=98

a=98/7

a=14

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