Solve for s
s=-1.5
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0.5s+1-4.5s=7
Subtract 4.5s from both sides.
-4s+1=7
Combine 0.5s and -4.5s to get -4s.
-4s=7-1
Subtract 1 from both sides.
-4s=6
Subtract 1 from 7 to get 6.
s=\frac{6}{-4}
Divide both sides by -4.
s=-\frac{3}{2}
Reduce the fraction \frac{6}{-4} to lowest terms by extracting and canceling out 2.
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