Question

What value or values of x satisfy 2|x + 5.3| = 4.2?

x can only equal –3.2.
x can only equal 7.4.
x can equal –3.2 or –7.4.
x can equal –3.2 or 7.4.

Answer 1

Answer:

Step-by-step explanation:

2 | x + 5.3 | = 4.2

| x + 5.3 | = 4.2 / 2

| x + 5.3 | = 2.1

x + 5.3 = 2.1 x + 5.3 = - 2.1

x = 2.1 - 5.3 x = -2.1 - 5.3

x = - 3.2 x = - 7.4

solution is : x = -3.2 or x = -7.4

Answer 2

Answer:

x can equal –3.2 or –7.4

Step-by-step explanation: