Solve for x
x=420
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x\times 0.8=240\times 1.4
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by 240x, the least common multiple of 240,x.
x\times 0.8=336
Multiply 240 and 1.4 to get 336.
x=\frac{336}{0.8}
Divide both sides by 0.8.
x=\frac{3360}{8}
Expand \frac{336}{0.8} by multiplying both numerator and the denominator by 10.
x=420
Divide 3360 by 8 to get 420.
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