Answer:
1 ,0
Step-by-step explanation:
Because They aren't negitive nor repeating
Answer: x=3
work: x+9=12
x=12-9
x=3
A - 15+1*(h)
B - 12+2*(h)
plug in 1,2,3 so on and so fourth until they both come out as the same price and that's your answer
We have to isolate x.
-7x + 35 = 20 - 7x
Add 7x to both sides.
35 = 20 + 0
35 = 20
This line is impossible to graph.