7(8+7b)+8(-5b-8)=28

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Solution for 7(8+7b)+8(-5b-8)=28 equation:


7(8+7b)+8(-5b-8)=28

We simplify the equation to the form, which is simple to understand 
7(8+7b)+8(-5b-8)=28

Reorder the terms in parentheses
+(+56+49b)+8*(-5b-8)=28

Remove unnecessary parentheses
+56+49b+8+*(-5b-8+)=+28

Reorder the terms in parentheses
+56+49b+(-40b-64)=28

Remove unnecessary parentheses
+56+49b-40b-64=+28

We move all terms containing b to the left and all other terms to the right. 
+49b-40b=+28-56+64

We simplify left and right side of the equation. 
+9b=+36

We divide both sides of the equation by 9 to get b. 
b=4

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