Solve for x
x=-250
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0.08x-0.05x=-7.5
Subtract 0.05x from both sides.
0.03x=-7.5
Combine 0.08x and -0.05x to get 0.03x.
x=\frac{-7.5}{0.03}
Divide both sides by 0.03.
x=\frac{-750}{3}
Expand \frac{-7.5}{0.03} by multiplying both numerator and the denominator by 100.
x=-250
Divide -750 by 3 to get -250.
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