1) 2x + x = 783x = 78x = 78 / 3x = 26
2) (x - 34) + 175 = 59x - 34 = 59 - 175x - 34 = -116x = -116 + 34x = -82
Ответ: x = 26 и x = -82.
1) 2x + x = 78
3x = 78
x = 78 / 3
x = 26
2) (x - 34) + 175 = 59
x - 34 = 59 - 175
x - 34 = -116
x = -116 + 34
x = -82
Ответ: x = 26 и x = -82.