Solve for y
y = \frac{68}{7} = 9\frac{5}{7} \approx 9.714285714
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-50+y=18-6y
Multiply both sides of the equation by 2.
-50+y+6y=18
Add 6y to both sides.
-50+7y=18
Combine y and 6y to get 7y.
7y=18+50
Add 50 to both sides.
7y=68
Add 18 and 50 to get 68.
y=\frac{68}{7}
Divide both sides by 7.
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