90 - 6 = 84
(-6) x (-3) = 18 (-10) x (-9) = 90 18 - 90 = -72
15*(m-6) right? 15m+15-6 15m-90
59/90 - 1/69 = 59/90 - 15/90 = 44/90 = 22/45.
90 - 90 = 0
30 minus 90 is negative 60, if I'm correct.
8/15 − 1/6 = 33/90 or 11/30
90/5 = 1818/2 = 9
90 - 55 = 35
90 - 45 = 45
90 - 80 = 10
90 - 72 = 18
90 - 70 = 20