-221=2b-7(5b+8)

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Solution for -221=2b-7(5b+8) equation:


-221=2b-7(5b+8)

We simplify the equation to the form, which is simple to understand 
-221=2b-7(5b+8)

Reorder the terms in parentheses
-221=2b+(-35b-56)

Remove unnecessary parentheses
-221=+2b-35b-56

We move all terms containing b to the left and all other terms to the right. 
-2b+35b=-56+221

We simplify left and right side of the equation. 
+33b=+165

We divide both sides of the equation by 33 to get b. 
b=5

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