Question

9y/y-10 + 1 = 8y/y-10

Answer 1

y=?

Answer 2

y=0 or y=10.

Answer 3

\[\frac{9y}{y-10}-\frac{8y}{y-10}=-1\]\[\frac{y}{y-10}=-1\]\[y=-y+10\]\[2y=10\]\[y=5\]

Answer 4

9y/y-10 + 1 = 8y/y-10
9y/y-10 -8y/y-10=-1
(9y-8y)/y-10=-1
y/y-10=-1
y=10-y
2y=10
y=5