1)(1.2-4.5):(-1.5) = -3.3 / -1.5 = 2.2
2)-16 / (-0.8) 0.5 = 20 (-0.5) = 20 * -0.5 = -10
1.2)2 (-2x + 3) = 2 -2x + 2 * 3 = -4x + 6
2.2)3 (-2x + 3) = 3 -2x + 3 * 3 = -6x + 9
1)
(1.2-4.5):(-1.5) = -3.3 / -1.5 = 2.2
2)
-16 / (-0.8) 0.5 = 20 (-0.5) = 20 * -0.5 = -10
1.2)
2 (-2x + 3) = 2 -2x + 2 * 3 = -4x + 6
2.2)
3 (-2x + 3) = 3 -2x + 3 * 3 = -6x + 9