Question

Find two solutions of 2x- y=-1
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Answer 1

Answer:

(0,1) and (1,3) are the two solution

Answer 2

Answer:

(0,-1);(1,1)

Taking x=0

2(0)-y=1

-y=1

y=-1

Taking x = 1

2(1)-y=1

2-y=1

-y=1-2

y=1