Solve for z
z=-2.5
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1.5-3z=9
Add 5.2 and 3.8 to get 9.
-3z=9-1.5
Subtract 1.5 from both sides.
-3z=7.5
Subtract 1.5 from 9 to get 7.5.
z=\frac{7.5}{-3}
Divide both sides by -3.
z=\frac{75}{-30}
Expand \frac{7.5}{-3} by multiplying both numerator and the denominator by 10.
z=-\frac{5}{2}
Reduce the fraction \frac{75}{-30} to lowest terms by extracting and canceling out 15.
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