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(-1+2b)(-3)+13=0
We simplify the equation to the form, which is simple to understand
(-1+2b)*(-3)+13=0
Reorder the terms in parentheses
multiplication of parentheses
(+3-6b)+13=0
Remove unnecessary parentheses
+3-6b+13=0
We move all terms containing b to the left and all other terms to the right.
-6b=0-3-13
We simplify left and right side of the equation.
-6b=-16
We divide both sides of the equation by -6 to get b.
b=2.66666666667
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