(3x+40) = (5x+80)Tentukan nilai x. By Admin ReiPosted on October 29, 2022 (3x+40) = (5x+80)Tentukan nilai x. 44=85 maaf kalo. Slaah 3x+40=5x+80 3x-5x= 80-40 -2x = 40 x= 40/-2 x= -20