Question

in the linear equation x-y-1=0 if x=0 then find the value of y

Answer 1

x=0
x-y-1=0
0-y-1=0
-y=1
y=-1

Answer 2

Hey friend,

Here value of x given is = 0

First of all we'll put the value of x in equation.

x - y - 1 = 0
⇒ 0 - y - 1 = 0
⇒  - y - 1 = 0 
⇒  - y = 1
⇒  y = - 1

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Hope it helps ^_^