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-8b-7=7b-2
We simplify the equation to the form, which is simple to understand
-8b-7=7b-2
We move all terms containing b to the left and all other terms to the right.
-8b-7b=-2+7
We simplify left and right side of the equation.
-15b=+5
We divide both sides of the equation by -15 to get b.
b=-0.333333333333
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