Simplifying
2ab + 4ab = 0
Combine like terms: 2ab + 4ab = 6ab
6ab = 0
Solving
6ab = 0
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Divide each side by '6'.
ab = 0
Simplifying
ab = 0
I think it’s (-10, -5) if your looking at the Xmin and Ymin
Answer:

Step-by-step explanation:
Given

Now we know that system has infinite solution for x

in above equation.

∴
78×.33=25.74 busses are new
25.74+15=40.74 new busses
78+15=93 total busses
40.74/78=0.5223076923= 52% will be new with the new 15 busses
Answer:
hold on might have to ask my teacher
Step-by-step explanation: