10-x+2=18+4y -x-4y=18-10 -x-4y=8
{ { {
2x-3+3y=6x-2y 2x-6x+3y+2y=3 5y-4x=3
10-(x-2y)=18+4y
2x-3(1+y)=2(3x-y)
2x-3-3y-6x+2*y=0
-4x-3-y=0
y=-4x-3
10-x+2y-18-4y=0
-8-x-2y=0
-8-x-2*(-4x-3)=0
-8-x+8x+6=0
-2+7x=0
x=2/7-4x-3-y=0
-4*(2/7)-3-y=0
-8/7-3-y=0
y=-29/7
y=-4 1/7
10-x+2=18+4y -x-4y=18-10 -x-4y=8
{ { {
2x-3+3y=6x-2y 2x-6x+3y+2y=3 5y-4x=3
10-(x-2y)=18+4y
2x-3(1+y)=2(3x-y)
2x-3(1+y)=2(3x-y)
2x-3-3y-6x+2*y=0
-4x-3-y=0
y=-4x-3
10-(x-2y)=18+4y
10-x+2y-18-4y=0
-8-x-2y=0
-8-x-2*(-4x-3)=0
-8-x+8x+6=0
-2+7x=0
x=2/7
-4x-3-y=0
-4*(2/7)-3-y=0
-8/7-3-y=0
y=-29/7
y=-4 1/7