Answer: 4.05
x
y −
2
x + 45
y + 9.46
Step-by-step explanation:
9x + 4.05xy + 15y + 30y - 11x + 9.46
4.05xy + 9x - 11x + 15y+ 30y+ 9.46
4.05
x
y −
2
x + 45
y + 9.46
Answer:
20
Step-by-step explanation:
We have two simultaneous equations.
(1) y = 2x + 50
(2) y = 4.5x
1. Subtract (1) from (2)
0 = 2.5x - 50
2. Add 50 to each side
2.5x = 50
3. Divide each side by 2.5
x = 20
Pilar must sell 20 items to break even.
Answer:
Well if you deposit something you won't have it so negative. If you earn something then it is positive. So it is negative
Step-by-step explanation:
:)
Answer:
x + 10 = x
Has no solution because when you simplify it, you get
10 = 0 which is a false statement
2x + 4 = 2x
Has no solution
Because if reduces to 4 = 0