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