Answer:
82
Explanation:
L - number of pages of Lisa's notebook
3L + 14 - number of pages of Samantha's notebook
260 - number of pages of Samantha's notebook
The equation:
3L + 14 = 260 subtract 14 from both sidesi
3L + 14 - 14 = 260 - 14
3L = 246 divide both sides by 3
3L/3 = 246/3
L = 82