Question

Draw the graph 2x - y + 3 =0. Find the value y if x= -3.

Answer 1

2x-y = -3
Putting value of x ,
2×(-3)-y= -3
-6-y = -3
-y= -3+6
-y=3
therefore y=-3

Answer 2

now y=2x+3
y=2*(-3)+3
y= -6+3=-3

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