Using substitution, which number from the set {15, 25, 35, 55}

Question

makes the equation y+15=40
true?(1 point)
Responses

25
25

35
35

15
15

55

Answer 1

To solve the equation \( y + 15 = 40 \), we can isolate \( y \) by subtracting 15 from both sides:

\[ y = 40 - 15 \]

So,

\[ y = 25 \]

Now, we need to find which number from the set {15, 25, 35, 55} makes the equation true. The number that satisfies this is:

25