1) 3х – 3,89 = - 3,5х – 5,84
3x+3,5x = -5,84 + 3,89
6,5x = -1,95
x = -0,3
б)5(3х+1) – 15 = 2(5х – 1)
15x + 5 - 15 = 10x - 2
15x - 10x = -2 + 10
5x = 8
x = 8/5
1) 3х – 3,89 = - 3,5х – 5,84
3x+3,5x = -5,84 + 3,89
6,5x = -1,95
x = -0,3
б)5(3х+1) – 15 = 2(5х – 1)
15x + 5 - 15 = 10x - 2
15x - 10x = -2 + 10
5x = 8
x = 8/5