You can put this solution on YOUR website! +18x+3y=18 multiply this one by 2
-8x+2y=-8 mulitply this one by -3
+36x+6y=36
+24x-6y=24 now add them
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60x=60 divide each side by 60
x=1, then plug that into one of the original equations
-8*1+2y=-8
-8+2y=-8
2y=0
y=0
(1,0)