Using substitution, which number from the set {15, 25, 35, 55} makes the equation y+15=40 true?

Question

Responses

35
25
15
55

Answer 1

25

Explanation:
y + 15 = 40
y = 40 - 15
y = 25

Therefore, the number from the set {15, 25, 35, 55} that satisfies the equation is 25.