Question

2x+y=5;3x-y=5 solve by sbelitution method

Answer 1

from 1 eq

x=5-y/2

put value of x in 2 eq

3(5-y/2)-y=5

15-3y/2-y=5

15-3y-2y/2=5

15-3y-2y=10

-5y=-5

y=1

put value of in 1 eq

2x+1=5

2x=4

x=2