1) 4x - 5 + 1.5 + 2 = 4x - 1 + 3.5 = 4x + 2.5
2) 8x - (3x + 5) + (2x - 9) = 8x - 3x - 5 + 2x - 9 = 7x - 14
3) 5(x - 0.4) - 7(2x + 1.5) = 5x - 2 - 7(2x) - 7(1.5) = 5x - 2 - 14x - 10.5 = -9x - 12.5
4) 2.3x - (2.3x + 0.5) - 0.2(5x - 3) = 2.3x - 2.3x - 0.5 - 1x + 0.6 = -1x + 0.1
1) 4x - 5 + 1.5 + 2 = 4x - 1 + 3.5 = 4x + 2.5
2) 8x - (3x + 5) + (2x - 9) = 8x - 3x - 5 + 2x - 9 = 7x - 14
3) 5(x - 0.4) - 7(2x + 1.5) = 5x - 2 - 7(2x) - 7(1.5) = 5x - 2 - 14x - 10.5 = -9x - 12.5
4) 2.3x - (2.3x + 0.5) - 0.2(5x - 3) = 2.3x - 2.3x - 0.5 - 1x + 0.6 = -1x + 0.1