180/3x then you get you answer
Answer:
multiplication
Step-by-step explanation:
You have to multiply the cost of an item or service by the sales tax in order to find out the total cost.
Do you mean substitute into the second equation?
If that is so
-x = 2y - 4
x = -2y + 4 You could put this into the second equation. When you do
3(-2y + 4) + y = 12
-6y + 12 + y = 12
-5x =0
x = 0.
y = 12
Answer:
Step-by-step explanation:
The second one I believe.
Answer: 3 and 4
Step-by-step explanation:
