Question

2) 2x + 3y= 11
-x-5y=-23

Answer 1

one solution (-2 ; 5)

Explanation:

hello : 2x + 3y= 11 ...(*)

-x-5y=-23.....(**)

by(**) : x= -5y+23

put this value into (*) : 2(-5y+23)+3y=11

-10y+46+3y=11

-7y = -35

y=5

but x= -5y+23

so : x= -5(5)+23 =-2