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2010-01-05T22:54:26+01:00
3(y - 2x) - 4 = 2(x + y) + 2
2(x - 3y) + 6 = 2(4y - 3x) - 6

3y-6x-4=2x+2y+2
2x-6y+6=8y-6x-6

3y-2y=2x+2+4
2x-6y+6=8y-6x-6

y=2x+6
2x-6(2x+6)=8(2x+6)-6x-6

y=2x+6
2x-18x-36=16x+48-6x-6

y=2x+6
2x-18x-16x+6x=48-6+36

y=2x+6
-26x=78/: (-26)

y=2x+6
x= -3

y=0
x=-3