90=-6+8(x+7)

Solution for 90=-6+8(x+7) equation:

90=-6+8(x+7)

We move all terms to the left:

90-(-6+8(x+7))=0


We calculate terms in parentheses: -(-6+8(x+7)), so:

-6+8(x+7)

determiningTheFunctionDomain
8(x+7)-6

We multiply parentheses

8x+56-6

We add all the numbers together, and all the variables

8x+50

Back to the equation:

-(8x+50)


We get rid of parentheses

-8x-50+90=0

We add all the numbers together, and all the variables

-8x+40=0

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

-8x=-40

x=-40/-8

x=+5