-3(7b-7)=63

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Solution for -3(7b-7)=63 equation:


-3(7b-7)=63

We simplify the equation to the form, which is simple to understand 
-3(7b-7)=63

Reorder the terms in parentheses
+(-21b+21)=63

Remove unnecessary parentheses
-21b+21=+63

We move all terms containing b to the left and all other terms to the right. 
-21b=+63-21

We simplify left and right side of the equation. 
-21b=+42

We divide both sides of the equation by -21 to get b. 
b=-2

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