Solve for x
x=1600
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200+\sqrt{x}=60\times 4
Multiply both sides by 4.
200+\sqrt{x}=240
Multiply 60 and 4 to get 240.
\sqrt{x}=240-200
Subtract 200 from both sides.
\sqrt{x}=40
Subtract 200 from 240 to get 40.
x=1600
Square both sides of the equation.
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