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-23+4b=77
We simplify the equation to the form, which is simple to understand
-23+4b=77
We move all terms containing b to the left and all other terms to the right.
+4b=+77+23
We simplify left and right side of the equation.
+4b=+100
We divide both sides of the equation by 4 to get b.
b=25
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