Solve for y
y=49
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\sqrt{y}-7-\left(-7\right)=-\left(-7\right)
Add 7 to both sides of the equation.
\sqrt{y}=-\left(-7\right)
Subtracting -7 from itself leaves 0.
\sqrt{y}=7
Subtract -7 from 0.
y=49
Square both sides of the equation.
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