please mark brainlist...
Answer:
The answer is Y + X as you just replace them.
Step-by-step explanation:
X + Y = Y + X
5x-7
5 times x (a number) subtract 7
4+4=8 quickmaf
Ggg4 fg5*6
Answer: 24 gallons
Check: (1/6)24=4, 4+14=18, 18/24=3/4, good