Answer:
2. el numero contante por que se suma o resta
Answer:
360
Step-by-step explanation:
I think it is 70 but not sure
Answer:
(4, 5)
Step-by-step explanation:
5x + y = 25
-3x + 2y = -2
5x + y = 25
y = 25 - 5x
-3x + 2 * (25 - 5x) = -2
-3x + 50 - 10x = -2
-13x = -52
x = 4
5 * 4 + y = 25
20 + y = 25
y = 5
Solution: (4, 5)