6(5a+3)=138

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Solution for 6(5a+3)=138 equation: 



6(5a+3)=138

We move all terms to the left:

6(5a+3)-(138)=0

We multiply parentheses

30a+18-138=0

We add all the numbers together, and all the variables

30a-120=0

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

30a=120

a=120/30

a=4

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