Answer:
yes
Step-by-step explanation:
Try looking up the answer
Answer:
20+2y
Step-by-step explanation:
20 pounds more would be an addition of 20 and twice would have to be represented by 2y because it is double John's weight y.
Answer:

Step-by-step explanation:
Answer: 42
Step-by-step explanation:
Simply substitute 7 for x.
56 - 2(7)
56 - 14
42
Hope it helps <3