1) 0.8X - 28 - 1.5X - 30 = 5
- 0.7X = 5 + 28 + 30
- 0.7X = 63
X = - 90
2) 12 - 8X + 24 = 6 + 4X
12X = 30
X = 2.5
3) 0.4X - 1.2 = 2 + 0.5X - 2.5
0.1X = - 1.2 - 2 + 2.5
0.1X = - 0.7
X = - 7
4) 0.5X - 1.5 = 2.4 + 0.6X - 2.6
0.1X = - 1.5 - 2.4 + 2.6
0.1X = - 3.9 + 2.6
0.1X = - 1.3
X = - 13
5) 1.5X - 2.1 = 0.6X + 9.6
0.9X = 11.7
X = 13
1) 0.8X - 28 - 1.5X - 30 = 5
- 0.7X = 5 + 28 + 30
- 0.7X = 63
X = - 90
2) 12 - 8X + 24 = 6 + 4X
12X = 30
X = 2.5
3) 0.4X - 1.2 = 2 + 0.5X - 2.5
0.1X = - 1.2 - 2 + 2.5
0.1X = - 0.7
X = - 7
4) 0.5X - 1.5 = 2.4 + 0.6X - 2.6
0.1X = - 1.5 - 2.4 + 2.6
0.1X = - 3.9 + 2.6
0.1X = - 1.3
X = - 13
5) 1.5X - 2.1 = 0.6X + 9.6
0.9X = 11.7
X = 13