Question

If Ix-3I=4, what are all the possible real values of x?

Answer 1

7,-1

Explanation:

The absolute value of 7-1 = 4 and -1-3 is equal to -4 but because its absolute value the answer would be positive, therefore, equal to 4.

Answer 2

x = -1, 7

Explanation:

|x - 3| = 4

x - 3 = 4

x = 7

x + 3 = 4

x = -1