Solve for x
x=\sqrt{23}-4\approx 0.795831523
x=-\left(\sqrt{23}+4\right)\approx -8.795831523
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x+4=\sqrt{23} x+4=-\sqrt{23}
Take the square root of both sides of the equation.
x+4-4=\sqrt{23}-4 x+4-4=-\sqrt{23}-4
Subtract 4 from both sides of the equation.
x=\sqrt{23}-4 x=-\sqrt{23}-4
Subtracting 4 from itself leaves 0.
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