Using substitution, which number from the set {15, 25, 35, 55} makes the equation y+15=40 true?(1 point)

Question

Responses

15
15

35
35

55
55

25

Answer 1

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.