10x - 15 = 6(8x + 3) + 510x - 15 = 48x + 18 + 510x - 15 = 48x + 2310x - 48x = 23 + 15-38x = 38x = 38 / -38x = -1
Ответ: x = -1.
10x - 15 = 6(8x + 3) + 5
10x - 15 = 48x + 18 + 5
10x - 15 = 48x + 23
10x - 48x = 23 + 15
-38x = 38
x = 38 / -38
x = -1
Ответ: x = -1.