Tentukan persamaan nilai mutlak 1.) | 3x + | = | x+7 | By Admin ReiPosted on December 6, 2022 Tentukan persamaan nilai mutlak 1.) | 3x + | = | x+7 | Jawaban: HP = {-7/4, 7/2} Penjelasan dengan langkah-langkah: |3x + 0| = |x + 7| (4x + 7) (2x – 7) = 0 4x + 7 = 0 atau 2x – 7 = 0 4x = -7 atau 2x = 7 x = -7/4 atau x = 7/2 HP = {-7/4, 7/2}