Answer:
6
Step-by-step explanation:
Three times a number, added to 7, is 25. Find the number.
Let the unknown number be n.
Translating this into an equation, we get:
7 + 3n = 25
Subtract 7 from both sides, to isolate the 3n term:
3n = 18
Dividing both sides by 3 yields n = 6.