A=-7(1-a)=4a-27

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Solution for A=-7(1-a)=4a-27 equation: 



=-7(1-A)=4A-27

We move all terms to the left:

-(-7(1-A))=0

We add all the numbers together, and all the variables

-(-7(-1A+1))=0



We calculate terms in parentheses: -(-7(-1A+1)), so:

-7(-1A+1)

We multiply parentheses

7A-7

Back to the equation:

-(7A-7)



We get rid of parentheses

-7A+7=0

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

-7A=-7

A=-7/-7

A=1

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