Solve the system using substitution.

4x+y=19 x-5y=1
x-y=-9 -2x+9y=-1

Football player weighed 170 2/3 pounds in may. during the summer he gained 25 5/12 pounds. during the first week of fall practice he lost 10 1/4 pounds and during the second week he lost another 3 1/2 ponds. how much does he weigh at this point? a.182 1/3ib b.181 1/2ib c.182 5/12ib d.183 2/3ib

Solve: 3x+y=6 4x-2y=18 show all work !

Can someone answer this question for me