6(7a+7)=546

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Solution for 6(7a+7)=546 equation: 



6(7a+7)=546

We move all terms to the left:

6(7a+7)-(546)=0

We multiply parentheses

42a+42-546=0

We add all the numbers together, and all the variables

42a-504=0

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

42a=504

a=504/42

a=12

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