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-8(-7+8b)+3=-261
We simplify the equation to the form, which is simple to understand
-8(-7+8b)+3=-261
Reorder the terms in parentheses
+(+56-64b)+3=-261
Remove unnecessary parentheses
+56-64b+3=-261
We move all terms containing b to the left and all other terms to the right.
-64b=-261-56-3
We simplify left and right side of the equation.
-64b=-320
We divide both sides of the equation by -64 to get b.
b=5
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