1) 3 * (х+0,6) = 3 - х3х + 1.8 = 3 - х4х = 1.2х = 0.3
2) 2 : х = 1.5 : 6.752 / х = 1.5 / 6.75х = 2 * 6.75 / 1.5х = 9
1) 3 * (х+0,6) = 3 - х
3х + 1.8 = 3 - х
4х = 1.2
х = 0.3
2) 2 : х = 1.5 : 6.75
2 / х = 1.5 / 6.75
х = 2 * 6.75 / 1.5
х = 9