7b=-7+3(b+5)

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Solution for 7b=-7+3(b+5) equation:


7b=-7+3(b+5)

We simplify the equation to the form, which is simple to understand 
7b=-7+3(b+5)

Reorder the terms in parentheses
7b=-7+(+3b+15)

Remove unnecessary parentheses
+7b=-7+3b+15

We move all terms containing b to the left and all other terms to the right. 
+7b-3b=-7+15

We simplify left and right side of the equation. 
+4b=+8

We divide both sides of the equation by 4 to get b. 
b=2

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