Answer: 1430
Step-by-step explanation: x + y + z = 2680
x = 2z - 100
y = 3z + 80
x + y = 5z - 20
6z - 20 = 2680
z = 450
y = 1430
Solution:
x = 800, y = 1430, z = 450
The difference bettween 30 and 5 would be 25
Answer:
Step-by-step explanation:
y - 1 = 2(x + 2)
y - 1 = 2x + 4
y = 2x + 5
Answer: I don't believe i understand.
Step-by-step explanation: