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Dagogo
Answers (2)
40x-16y=24/x+y=38 40x-16y=0 fom equl x=31-y substitute eqn3in 2 40x-16y=0 40(38-y)-16y 78y-38=40=16y 78y-38=40y -38=40-78y -38y=-78y divide both sides by 38 38y/38=78y/38 y=2.05
x+y=38 8+2x=5y 8*x=2xy/8 8x/8=2y/8 8x/8-5y/8=3xy/8 x+y=38 2x/8-5y/8 40x-16y/64=24/1 40x-16
