Solve for y
y = \frac{50}{3} = 16\frac{2}{3} \approx 16.666666667
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7y-10-y=90
Subtract y from both sides.
6y-10=90
Combine 7y and -y to get 6y.
6y=90+10
Add 10 to both sides.
6y=100
Add 90 and 10 to get 100.
y=\frac{100}{6}
Divide both sides by 6.
y=\frac{50}{3}
Reduce the fraction \frac{100}{6} to lowest terms by extracting and canceling out 2.
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