a) 17x - 4x = 19513x = 195x = 195 / 13x = 15
б) 5x + 23x = 16828x = 168x = 168 / 28x = 6
в) (3x + 10x) 8 = 31213x 8 = 312104x = 312x = 312 / 104x = 3
Ответ: а) x = 15, б) x = 6, в) x = 3.
a) 17x - 4x = 195
13x = 195
x = 195 / 13
x = 15
б) 5x + 23x = 168
28x = 168
x = 168 / 28
x = 6
в) (3x + 10x) 8 = 312
13x 8 = 312
104x = 312
x = 312 / 104
x = 3
Ответ: а) x = 15, б) x = 6, в) x = 3.