3(×-5)-2×=4(1-2×) решите пример

Question

3(×-5)-2×=4(1-2×) решите пример

Answer 1

3(x-5) - 2 = 4(1-2x)
3x - 15 - 2 = 4 - 8x
3x + 8x = 4 + 2 + 15
11x = 21 | : 11
x = 21/11

 Ответ : x = 21/11

Answer 2

3х-15-2х=4-8х
3х-2х+8х=4+15
9х=19
х=2 1/9
х=2.11111..