-12=-(6+7b)-6(b+1)

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Solution for -12=-(6+7b)-6(b+1) equation:


-12=-(6+7b)-6(b+1)

We simplify the equation to the form, which is simple to understand 
-12=-(6+7b)-6(b+1)

Remove unnecessary parentheses
-12=-6-7b-6*(b+1)

Reorder the terms in parentheses
-12=-6-7b+(-6b-6)

Remove unnecessary parentheses
-12=-6-7b-6b-6

We move all terms containing b to the left and all other terms to the right. 
+7b+6b=-6-6+12

We simplify left and right side of the equation. 
+13b=0

We divide both sides of the equation by 13 to get b. 
b=0

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