Solve for x
x=-\frac{16}{45}\approx -0.355555556
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-7.2x=2.56
Combine 3x and -10.2x to get -7.2x.
x=\frac{2.56}{-7.2}
Divide both sides by -7.2.
x=\frac{256}{-720}
Expand \frac{2.56}{-7.2} by multiplying both numerator and the denominator by 100.
x=-\frac{16}{45}
Reduce the fraction \frac{256}{-720} to lowest terms by extracting and canceling out 16.
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