-28=-4(11+a)

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Solution for -28=-4(11+a) equation: 



-28=-4(11+a)

We move all terms to the left:

-28-(-4(11+a))=0

We add all the numbers together, and all the variables

-(-4(a+11))-28=0



We calculate terms in parentheses: -(-4(a+11)), so:

-4(a+11)

We multiply parentheses

-4a-44

Back to the equation:

-(-4a-44)



We get rid of parentheses

4a+44-28=0

We add all the numbers together, and all the variables

4a+16=0

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

4a=-16

a=-16/4

a=-4

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