Question

Which expression makes the equation true for all values of x?

16x - 16 = 4 (_?_)


A. 4x - 4
B. 4x - 16
C. 2x - 2
D. 12x - 12

Answer 1

Answer: A

Step-by-step explanation: 4 times 4x-4 equals 16x-16, which is what is on the other side of the equals sign meaning that they are equal

Answer 2

A. 4x - 4

Explanation:

The equation is true for all x values ​​when the left side of the equation is the same as the right side of the equation.

16x - 16 = 4(4x) - 4(4) = 4(4x - 4)

16x - 16 = 4(4x - 4)