Answer:
[tex]\boxed{x = -5~~and~~ y =1}[/tex]
Step-by-step explanation:
-5x - 10y = 15
-3x + 10y = 25 +
-8x = 40
[tex]x = \frac{40}{-8}[/tex]
x = -5
.
Substitute the value of x to one of equations
-5(-5) - 10y = 15
25 - 10y = 15
-10y = 15 - 25
-10y = -10
[tex]y = \frac{-10}{-10}[/tex]
y = 1
