-90=-5(2-2b)

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Solution for -90=-5(2-2b) equation:


-90=-5(2-2b)

We simplify the equation to the form, which is simple to understand 
-90=-5(2-2b)

Reorder the terms in parentheses
-90=+(-10+10b)

Remove unnecessary parentheses
-90=-10+10b

We move all terms containing b to the left and all other terms to the right. 
-10b=-10+90

We simplify left and right side of the equation. 
-10b=+80

We divide both sides of the equation by -010 to get b. 
b=-8

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