Solve for x
x=\frac{23-b}{5}
Solve for b
b=23-5x
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5x=23-b
Subtract b from both sides.
\frac{5x}{5}=\frac{23-b}{5}
Divide both sides by 5.
x=\frac{23-b}{5}
Dividing by 5 undoes the multiplication by 5.
b=23-5x
Subtract 5x from both sides.
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Limits
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