Answer:
x=-6
Step-by-step explanation:
7x-9x=6+6
-2x=12
x=-6
Answer:
0
Step-by-step explanation:
Answer: 2
explanation: they’re both one place down
Answer:
5 hours must pass
Step-by-step explanation:
Graph the equations y = 2x + 100 and y = -6x + 140
Then find the x intercept of their intersection, in this case, that is 5