Graphically x+y=3;2x+5y=12
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Step-by-step explanation:x+y=3.....(1)multiply by 2 then,
2x+2y=6......(1)
2x+5y=12....(2)
On subtracting
-3y=-6,y=2
2x+5y=12
2x+5.2=12
2x+10=12
2x=2
X=1
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