Respuesta :
Answer:
x = -6 and y = 2
Step-by-step explanation:
4x-9y = -42
x+5y = 4
4x-9y = -42
4x + 20y = 16
Take them away from each other.
-29y = -58
Find what one y is by dividing.
-58 / -29 = 2
y = 2
Substitute back into original.
x + 10(5*y) = 4
Take 10 away to find x.
x = -6
Check if answer is correct.
4x - 9y = -42
-24 - 18 = -42
Final Answer: x = -6 and y = 2