Solve for x
x=20000
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1.12x=22400
Multiply 1.4 and 0.8 to get 1.12.
x=\frac{22400}{1.12}
Divide both sides by 1.12.
x=\frac{2240000}{112}
Expand \frac{22400}{1.12} by multiplying both numerator and the denominator by 100.
x=20000
Divide 2240000 by 112 to get 20000.
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