Question

Find the sum of values of x for which $3|x-8|=9$.

• A. 16

Answer 1

The correct option is A 16
3|x - 8| = 9
|x - 8| = 3
x - 8 = $\pm$3
Take positive sign
x - 8 = 3
x = 11
Take negative sign
x - 8 = -3
x = 5
So, the values of x are 5 and 11.
Hence, sum of values of x = 5 + 11 = 16