Answer: d = -8
Explanation:
Our task is to find the number.
We're given this equation:
Three more than a number is -5. What's the number?
(Let d be the number).
Then,
3 more than d ⇄ 3 + d
this equals -5 ⇄ 3 + d = -5
--- Solve for d ---
3 + d = -5
d = -5 - 3
d = -8