4(3a+7)=136

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Solution for 4(3a+7)=136 equation: 



4(3a+7)=136

We move all terms to the left:

4(3a+7)-(136)=0

We multiply parentheses

12a+28-136=0

We add all the numbers together, and all the variables

12a-108=0

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

12a=108

a=108/12

a=9

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