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-b/4=-30
We simplify the equation to the form, which is simple to understand
-b/4=-30
Simplifying:
-0.25b=-30
We move all terms containing b to the left and all other terms to the right.
-0.25b=-30
We simplify left and right side of the equation.
-0.25b=-30
We divide both sides of the equation by -0.25 to get b.
b=120
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