{2x-3y=-8 4x+3y=20 {3x+2y=16 x-2y=-8 {2p+5q=34 -4p+5q=22

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{2x-3y=-8 4x+3y=20 {3x+2y=16 x-2y=-8 {2p+5q=34 -4p+5q=22
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{2x-3y=-8 4x+3y=20 {3x+2y=16 x-2y=-8 {2p+5q=34 -4p+5q=22
{2x-3y=-8 4x+3y=20 {3x+2y=16 x-2y=-8 {2p+5q=34 -4p+5q=22

{2x-3y=-8 4x+3y=20 {3x+2y=16 x-2y=-8 {2p+5q=34 -4p+5q=22
2x-3y=-8 4x+3y=20
2x-3y=-8 4x+3y=20 {x=2.,y=-4
3x+2y=16 x-2y=-8 {x=2,y=5
{2p+5q=34 -4p+5q=22 {p=2,q=6