Question

If x equals 8 - (-2.25) and y equals 6 - 4.2 - (-4.9), what is the value of x - y?

Answer 1

3.55

Explanation:

This is simply combining like terms.

First, lets evaluate the terms separately.

x = 8 - (-2.25)

x = 8 + 2.25 (Negative signs cancel out)

x = 10.25 (Combine like terms)

y = 6 - 4.2 - (-4.9)

y = 6 - 4.2 + 4.9 (Negative signs cancel out)

y = 6.7 (Combine like terms)

Now, lets plug in these values to x - y.

(10.25) - (6.7)

3.55

The value of x - y is equal to 3.55.