Solve for x
x=17
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x-8=9
Square both sides of the equation.
x-8-\left(-8\right)=9-\left(-8\right)
Add 8 to both sides of the equation.
x=9-\left(-8\right)
Subtracting -8 from itself leaves 0.
x=17
Subtract -8 from 9.
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