8x + 5y = 9 and 3x + 2y = 4 by substitute
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8x+5y=9.....1
X=9-5y/8......2
Put 2 in 3x+2y=4
3(9-5y/8)+2y=4
27-15y/8+2y=4
27-15y+16y=24
27+y=24
Y=24-27
Y=-3
X=9-5y/8......2
Put 2 in 3x+2y=4
3(9-5y/8)+2y=4
27-15y/8+2y=4
27-15y+16y=24
27+y=24
Y=24-27
Y=-3
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