Solve for x
x=456
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\frac{540}{20}=\sqrt{273+x}
Divide both sides by 20.
27=\sqrt{273+x}
Divide 540 by 20 to get 27.
\sqrt{273+x}=27
Swap sides so that all variable terms are on the left hand side.
x+273=729
Square both sides of the equation.
x+273-273=729-273
Subtract 273 from both sides of the equation.
x=729-273
Subtracting 273 from itself leaves 0.
x=456
Subtract 273 from 729.
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