Solve for x
x=5.5
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-7x=-20.5-18
Subtract 18 from both sides.
-7x=-38.5
Subtract 18 from -20.5 to get -38.5.
x=\frac{-38.5}{-7}
Divide both sides by -7.
x=\frac{-385}{-70}
Expand \frac{-38.5}{-7} by multiplying both numerator and the denominator by 10.
x=\frac{11}{2}
Reduce the fraction \frac{-385}{-70} to lowest terms by extracting and canceling out -35.
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