6(7-5a)=-138

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Solution for 6(7-5a)=-138 equation: 



6(7-5a)=-138

We move all terms to the left:

6(7-5a)-(-138)=0

We add all the numbers together, and all the variables

6(-5a+7)-(-138)=0

We add all the numbers together, and all the variables

6(-5a+7)+138=0

We multiply parentheses

-30a+42+138=0

We add all the numbers together, and all the variables

-30a+180=0

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

-30a=-180

a=-180/-30

a=+6

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