Solve for x
x = \frac{642}{5} = 128\frac{2}{5} = 128.4
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x=\frac{321}{5}\times 2
Multiply both sides by 2.
x=\frac{321\times 2}{5}
Express \frac{321}{5}\times 2 as a single fraction.
x=\frac{642}{5}
Multiply 321 and 2 to get 642.
Examples
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Limits
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