Answer:
y = 2.5 , x = 4
Step-by-step explanation:
5x - 4y = 10 ____eq1
x + 2y = 9 ____eq2
5x=10+4y
x = (10 +4y)/5 ____eq3
x = 9 -2y ____eq4
Using eq3 and eq 4 to solve simultaneously,
9 - 2y = (10 +4y)/5
45 -10y = 10 +4y
14y = 25
y =2.5
if y =2.5,
x = 9 -2y = 9 - 2(2.5) =4
