Solve for x
x=144
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\sqrt{x}-8-\left(-8\right)=4-\left(-8\right)
Add 8 to both sides of the equation.
\sqrt{x}=4-\left(-8\right)
Subtracting -8 from itself leaves 0.
\sqrt{x}=12
Subtract -8 from 4.
x=144
Square both sides of the equation.
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