paulricar0 29/10/2013 {4x+2y=4(:2) => 2x+y =2y=2-2x {3x-4y=0 3x-4(2-2x) =0 3x-8+8x=0 11x=8 x=8/11 y=2-2x = 2-2(8/11)= 2 -16/11 = 22-16/11 = 6/11
paulricar0
{4x+2y=4(:2) => 2x+y =2y=2-2x
{3x-4y=0
3x-4(2-2x) =0
3x-8+8x=0
11x=8
x=8/11
y=2-2x = 2-2(8/11)= 2 -16/11 = 22-16/11 = 6/11