I think 7x-y=-2 is the answer
Answer:
C. 3
Step-by-step explanation:
5x - 2 = 13
5x = 15
x = 15 ÷ 3
x = 3
84 ÷ 2 = 42
Check it to make sure.
2 × 42 = 84
42 and 2 can be multiplied to get 84.
Each snack cost 3.50 and she bought four, one for each child. The child who wrote it only took one snack into account.
The equation should be 14+4x=44
14 being all four snacks
