Question

A) |9+x|=2x
b) |x+6|=2x+9

Answer 1

a) 9

b) -3

Explanation:

a)

|9+x|=2x

9 + x = 2x

- x -x

---------------

9 = x

b)

|x+6|=2x+9

x +6 = 2x +9

-x -x

6 = x + 9

-9 -9

--------------

-3 = x