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-2(b-5)+7b=-3b-30
We simplify the equation to the form, which is simple to understand
-2(b-5)+7b=-3b-30
Reorder the terms in parentheses
+(-2b+10)+7b=-3b-30
Remove unnecessary parentheses
-2b+10+7b=-3b-30
We move all terms containing b to the left and all other terms to the right.
-2b+7b+3b=-30-10
We simplify left and right side of the equation.
+8b=-40
We divide both sides of the equation by 8 to get b.
b=-5
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