D and E. If I remember right that should be the answer.
Answer:
They represent a number that you don't know or need to work out.
Step-by-step explanation:
If you need further explanation, let me know!
The answer would be the 1st graph, or more specifically, the graph which has the lines intersecting at coordinates (-4,-3)
Answer:
x = 14
Step-by-step explanation:
4x + 2x + 6 = 90
Combine like-terms
6x + 6 = 90
6x = 84
x = 14
