Answer:
y = x + 2, where y can not be 0
Explanation:
(x+1)/(y-1) = 1
x+1 = y-1
y = x+1+1
Because whey y = 0, the denominator becomes 0 and the function becomes undefined
= x - y + 2
x+1/y-1=1
First step, multiply both sides by y - 1 or cross multiply
((x + 1) × (y - 1))/ y - 1 = 1 × (y - 1)
x + 1 = y - 1
x - y + 1 + 1 =0
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