Answer:
one solution : (2 ; 3)
Step-by-step explanation:
hello :
4x + 5y =23 ...(*)
9x- 5y= 3....(**)
add (*) and (**) : 13x =26
x =26/13 = 2
put this value in (*) : 4(2)+5y = 23
5y =15
y =15/5=3
