Solve for x
x=960
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22.5x-10x=12000
Multiply 25 and 0.9 to get 22.5.
12.5x=12000
Combine 22.5x and -10x to get 12.5x.
x=\frac{12000}{12.5}
Divide both sides by 12.5.
x=\frac{120000}{125}
Expand \frac{12000}{12.5} by multiplying both numerator and the denominator by 10.
x=960
Divide 120000 by 125 to get 960.
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