|2x+5|=|7-2x| hitunglah nilai x dari persamaan

|2x + 5| = |7 - 2x|
= (f(x) + g(x)) (f(x) - g(x))
= (2x + 5 + 7 - 2x) (2x + 5 - 7 + 2x)
= (12) (4x - 2)
= 48x - 24
48x - 24 = 0
48x = 24
x = 1/2
HP = {x | x = 1/2, x elemen bilangan real}