2x - y = 3
; 4x + y = 3.
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2x-y=3
4x-y=3
2(2x-y)=(2×3)=6; 4x-2y=6
4x+y=3
4x-2y=6
-(4x+y)=-3
-3y=3
3y= -3
y= -1
2x-(-1)=3
2x+1=3
2x=2
x=1
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