Solve for x
x=831
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\frac{2x}{42+512}=3
Calculate 2 to the power of 9 and get 512.
\frac{2x}{554}=3
Add 42 and 512 to get 554.
\frac{1}{277}x=3
Divide 2x by 554 to get \frac{1}{277}x.
x=3\times 277
Multiply both sides by 277, the reciprocal of \frac{1}{277}.
x=831
Multiply 3 and 277 to get 831.
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