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(8+2b)-3=9
We simplify the equation to the form, which is simple to understand
(8+2b)-3=9
Remove unnecessary parentheses
8+2b-3=9
We move all terms containing b to the left and all other terms to the right.
+2b=+9-8+3
We simplify left and right side of the equation.
+2b=+4
We divide both sides of the equation by 2 to get b.
b=2
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