Solve for x
x=1.175
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20x=15+8.5
Add 8.5 to both sides.
20x=23.5
Add 15 and 8.5 to get 23.5.
x=\frac{23.5}{20}
Divide both sides by 20.
x=\frac{235}{200}
Expand \frac{23.5}{20} by multiplying both numerator and the denominator by 10.
x=\frac{47}{40}
Reduce the fraction \frac{235}{200} to lowest terms by extracting and canceling out 5.
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Matrix
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