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9-(b/5)=12
We simplify the equation to the form, which is simple to understand
9-(b/5)=12
Remove unnecessary parentheses
9-0.2b=12
We move all terms containing b to the left and all other terms to the right.
-0.2b=+12-9
We simplify left and right side of the equation.
-0.2b=+3
We divide both sides of the equation by -0.2 to get b.
b=-15
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