Tolong kerjakan no 20 By Admin ReiPosted on December 10, 2022 Tolong kerjakan no 20 Jawaban Terkonfirmasi A = 3(-1) + 10a =7 f(b) = 3b + 10-2 = 3b + 10-2 – 10 = 3bb = -4 a + b = 7 + (-4) = 3