9514 1404 393
Answer:
h = l/7
Step-by-step explanation:
Subtract 87, multiply by h, divide by 7.
94 = 87 + l/h . . . . given
7 = l/h . . . . . . . . . subtract 87
7h = l . . . . . . . . . multiply by h
h = l/7 . . . . . . . . . divide by 7