Using substitution, which number from the set {15, 25, 35, 55} makes the equation y+15=40 true?(1 point)
Responses
15
15
35
35
55
55
25
Substituting 15 into the equation:
15 + 15 ≠ 40
Substituting 35 into the equation:
35 + 15 = 50
Substituting 55 into the equation:
55 + 15 = 70
So, the number that makes the equation true is 25.
Substituting 25 into the equation:
25 + 15 = 40
Therefore, the correct answer is 25.