Respuesta :
Answer:
3 x = 3.
Value of x = 1 and y = 10.
Explanation:
- Adding the two equations:
-2x + y = 8
5x - y = -5
- Will give:
5x + (-2x) + y + (-y) = 8 + (-5)
∴ 3 x = 3.
∴ x = 1.
- Substituting in any equation to get y:
-2(1) + y = 8.
∴ y = 10.
Answer:
3 x = 3.
Value of x = 1 and y = 10.
Explanation:
-2x + y = 8
5x - y = -5
5x + (-2x) + y + (-y) = 8 + (-5)
∴ 3 x = 3.
∴ x = 1.
-2(1) + y = 8.
∴ y = 10.