Answer:
choice 1) 2x - 7
Step-by-step explanation:
(8x - 28)/4 = 2x -7
Answer: d
Step-by-step explanation:
Final result :
205
——— = 9.76190
21
Step by step solution :
Step 1 :
205
Simplify ———
21
Final result :
205
——— = 9.76190
21
Answer:
288
Step-by-step explanation:
Answer: 59.5 minutes.
Step-by-step explanation:
1. You have the following information given in the problem above:
- 8 songs are 4.25 minutes long.
- 3 songs are twice as long as each of the others.
2. Therefore, the total time of 8 songs is:

3. And the total time of the 3 songs is:

4. Therefore, you have that the result is:

X + 8 = -x + 7
it can be set up like this :
y = x + 8
y = -x + 7