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

Answer 1

To determine which number from the set {15, 25, 35, 55} makes the equation \( y + 15 = 40 \) true, we can first solve for \( y \):

1. Subtract 15 from both sides of the equation: \[ y + 15 - 15 = 40 - 15 \] \[ y = 25 \]

Now we compare this value \( y = 25 \) with the numbers in the given set {15, 25, 35, 55}. The number that makes the equation true is:

25.