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-5 - 2b + 12 = 7
We simplify the equation to the form, which is simple to understand
-5-2b+12=7
We move all terms containing b to the left and all other terms to the right.
-2b=+7+5-12
We simplify left and right side of the equation.
-2b=0
We divide both sides of the equation by -2 to get b.
b=-0
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