1) 5x - 6.7 = 6.75x = 6.7 + 6.75x = 13.4x = 13.4 / 5x = 2.68
2) 5x + 6.7 = 6.75x = 6.7 - 6.75x = 0x = 0 / 5x = 0
3) 10.4 - 5.2x = 05.2x = 10.4x = 10.4 / 5.2x = 2
1) 5x - 6.7 = 6.7
5x = 6.7 + 6.7
5x = 13.4
x = 13.4 / 5
x = 2.68
2) 5x + 6.7 = 6.7
5x = 6.7 - 6.7
5x = 0
x = 0 / 5
x = 0
3) 10.4 - 5.2x = 0
5.2x = 10.4
x = 10.4 / 5.2
x = 2