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Glencoe Math: Course 1, Volume 2 View details

5. Algebra: Properties

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Exercise 10 Page 477

Recall the Identity Property of Addition.

There is no answer for this exercise

Practice makes perfect

We are given an equation and we want to find the value of x which makes it true.

24+x=24

We can recall a certain property of equation to help us solve for x. Recall the Identity Property of Addition.

Adding 0 to any number always results in the number itself. a+0=a

Notice that in our case, we are adding x to a number, 24, and we get the original number back. This means that the value of x must be 0, because of Identity Property of Addition.