-65=5(-5b+7)-5(b+8)

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Solution for -65=5(-5b+7)-5(b+8) equation:


-65=5(-5b+7)-5(b+8)

We simplify the equation to the form, which is simple to understand 
-65=5(-5b+7)-5(b+8)

Reorder the terms in parentheses
-65=+(-25b+35)-5*(b+8)

Remove unnecessary parentheses
-65=-25b+35-5+*(+b+8+)

Reorder the terms in parentheses
-65=-25b+35+(-5b-40)

Remove unnecessary parentheses
-65=-25b+35-5b-40

We move all terms containing b to the left and all other terms to the right. 
+25b+5b=+35-40+65

We simplify left and right side of the equation. 
+30b=+60

We divide both sides of the equation by 30 to get b. 
b=2

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