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b/4+5=20
We simplify the equation to the form, which is simple to understand
b/4+5=20
We move all terms containing b to the left and all other terms to the right.
+ 0.25b=+20-5
We simplify left and right side of the equation.
+ 0.25b=+15
We divide both sides of the equation by 0.25 to get b.
b=60
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