Solve for x
x = \frac{99}{2} = 49\frac{1}{2} = 49.5
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2x+1=100
Square both sides of the equation.
2x+1-1=100-1
Subtract 1 from both sides of the equation.
2x=100-1
Subtracting 1 from itself leaves 0.
2x=99
Subtract 1 from 100.
\frac{2x}{2}=\frac{99}{2}
Divide both sides by 2.
x=\frac{99}{2}
Dividing by 2 undoes the multiplication by 2.
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Limits
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