1) 0.4x + 3 = 0.2(3x + 1) - x0.4x + 3 = 0.6x + 0.2 - x0.4x + 3 = 0.6x + 0.2 - x0.4x + 3 = 0.2x + 0.2
2) 3.4 - 0.6x = 2x - (0.4x + 1)3.4 - 0.6x = 2x - 0.4x - 13.4 - 0.6x = 1.6x - 1
3) 0.8x - (0.7x + 0.36) = 7.10.8x - 0.7x - 0.36 = 7.10.1x - 0.36 = 7.1
4) x - 0.5 = 2(0.3x - 0.2)x - 0.5 = 0.6x - 0.4
1) 0.4x + 3 = 0.2(3x + 1) - x
0.4x + 3 = 0.6x + 0.2 - x
0.4x + 3 = 0.6x + 0.2 - x
0.4x + 3 = 0.2x + 0.2
2) 3.4 - 0.6x = 2x - (0.4x + 1)
3.4 - 0.6x = 2x - 0.4x - 1
3.4 - 0.6x = 1.6x - 1
3) 0.8x - (0.7x + 0.36) = 7.1
0.8x - 0.7x - 0.36 = 7.1
0.1x - 0.36 = 7.1
4) x - 0.5 = 2(0.3x - 0.2)
x - 0.5 = 0.6x - 0.4