2x+y=2 2y-x=4 solve the graphically
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1.
let x=0
2x+y=2
2*0+y=2
0+y=2
y=2-0
y=2
2.
2y-x=4
let y=5
2*5-x=4
10-x=4
-x=4-10
-x=-6
x=6
let x=0
2x+y=2
2*0+y=2
0+y=2
y=2-0
y=2
2.
2y-x=4
let y=5
2*5-x=4
10-x=4
-x=4-10
-x=-6
x=6
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