-6(a+7)=-28+a

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Solution for -6(a+7)=-28+a equation: 



-6(a+7)=-28+a

We move all terms to the left:

-6(a+7)-(-28+a)=0

We add all the numbers together, and all the variables

-6(a+7)-(a-28)=0

We multiply parentheses

-6a-(a-28)-42=0

We get rid of parentheses

-6a-a+28-42=0

We add all the numbers together, and all the variables

-7a-14=0

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

-7a=14

a=14/-7

a=-2

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