1)5(3 - x) + 7(2x - 3) = 15 - 5x + 14x - 21 = 9x - 6При x = -0.6: 9(-0.6) - 6 = -5.4 - 6 = -11.4
2)4m - 2 + (3n - a)
1)
5(3 - x) + 7(2x - 3) = 15 - 5x + 14x - 21 = 9x - 6
При x = -0.6: 9(-0.6) - 6 = -5.4 - 6 = -11.4
2)
4m - 2 + (3n - a)