7+7(8+2a)=147

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Solution for 7+7(8+2a)=147 equation: 



7+7(8+2a)=147

We move all terms to the left:

7+7(8+2a)-(147)=0

We add all the numbers together, and all the variables

7(2a+8)+7-147=0

We add all the numbers together, and all the variables

7(2a+8)-140=0

We multiply parentheses

14a+56-140=0

We add all the numbers together, and all the variables

14a-84=0

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

14a=84

a=84/14

a=6

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