-7(3+3b)=126

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Solution for -7(3+3b)=126 equation:


-7(3+3b)=126

We simplify the equation to the form, which is simple to understand 
-7(3+3b)=126

Reorder the terms in parentheses
+(-21-21b)=126

Remove unnecessary parentheses
-21-21b=+126

We move all terms containing b to the left and all other terms to the right. 
-21b=+126+21

We simplify left and right side of the equation. 
-21b=+147

We divide both sides of the equation by -21 to get b. 
b=-7

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