|15× – 6| = |7x + 1|tolong dijawab ya…terimakasih
|15× – 6| = |7x + 1|
(15× – 6) – (7x + 1) = 0
(15x-6)² – (7x+1)² = 0
(15x-6+7x+1) – (15x-6-7x-1) = 0
(22x-5) – (8x-7) = 0
x1 = 5/22 atau x2 = 7/8
|15× – 6| = |7x + 1|tolong dijawab ya…terimakasih
|15× – 6| = |7x + 1|
(15× – 6) – (7x + 1) = 0
(15x-6)² – (7x+1)² = 0
(15x-6+7x+1) – (15x-6-7x-1) = 0
(22x-5) – (8x-7) = 0
x1 = 5/22 atau x2 = 7/8