Answer:
x =
x + 5
Step-by-step explanation:
Therefore, the answer is x + 5.
Have a lovely rest of your day/night, and good luck with your assignments! ♡
7
Working backwards:
19 + 9 = 28
28/ 4 = 7
Checking work:
7 x 4 = 28
28 - 9 = 19