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1/3b+3=13
We simplify the equation to the form, which is simple to understand
1/3b+3=13
We move all terms containing b to the left and all other terms to the right.
+3b=+13-3
We simplify left and right side of the equation.
+3b=+10
We divide both sides of the equation by 3 to get b.
b=3.3333333333333
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