Question

1154 (1) помогите пожалуйста.

Answer 1

(x - 8) / (x + 2) = 7 / 3
3 * (x - 8) = 7 * (x + 2)
3x - 24 = 7x + 14
3x - 7x = 14 + 24
-4x = 38
x = -38/4 = -9,5