Let's solve this system
-6x+6y=6 Multiply by -1 to eliminate the x variable
-6x+3y=-12
6x-6y=-6
-6x+3y=-12
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-3y = -18 Divide by -3
y= 6
-6x +3(6) = -12
-6x +18=-12
-6x =-12-18
-6x = -30 Divide by -6
x = 5
S ={5, 6}
