Given lx-4l + ly + 2L = 0, find the value of 2x Lyl

Given lx-4l + ly + 2L = 0, find the value of 2x Lyl

|x-4|+|y+2|=0
So x-4 = 0, y + 2 = 0
So x = 4, y = - 2
So 2x - | y | = 2 * 4 - | - 2 | = 6
If you don't understand, please hi me, I wish you a happy study!