Solve for x
x=288
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\sqrt{x+1}+1-1=18-1
Subtract 1 from both sides of the equation.
\sqrt{x+1}=18-1
Subtracting 1 from itself leaves 0.
\sqrt{x+1}=17
Subtract 1 from 18.
x+1=289
Square both sides of the equation.
x+1-1=289-1
Subtract 1 from both sides of the equation.
x=289-1
Subtracting 1 from itself leaves 0.
x=288
Subtract 1 from 289.
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