84=-4-8(x-4)

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Solution for 84=-4-8(x-4) equation: 



84=-4-8(x-4)

We move all terms to the left:

84-(-4-8(x-4))=0



We calculate terms in parentheses: -(-4-8(x-4)), so:

-4-8(x-4)

determiningTheFunctionDomain
-8(x-4)-4

We multiply parentheses

-8x+32-4

We add all the numbers together, and all the variables

-8x+28

Back to the equation:

-(-8x+28)



We get rid of parentheses

8x-28+84=0

We add all the numbers together, and all the variables

8x+56=0

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

8x=-56

x=-56/8

x=-7

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