-87=-3b-8(3-3b)

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Solution for -87=-3b-8(3-3b) equation:


-87=-3b-8(3-3b)

We simplify the equation to the form, which is simple to understand 
-87=-3b-8(3-3b)

Reorder the terms in parentheses
-87=-3b+(-24+24b)

Remove unnecessary parentheses
-87=-3b-24+24b

We move all terms containing b to the left and all other terms to the right. 
+3b-24b=-24+87

We simplify left and right side of the equation. 
-21b=+63

We divide both sides of the equation by -21 to get b. 
b=-3

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