Question

solve the eq by put x=1
2x-y+2=0​

Answer 1

Answer:

(2×1)-y+2=0

2-y+2=0

4-y=0

-y=4

y=-4

Answer 2

Answer:

2(1)-y+2=0

2-y+2 = 0

4 -y = 0

- y= -4

y =4

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