Question

Решите уравнение.
9х-6(х-1)=5(х+2)

Answer 1

9x - 6(x - 1) = 5(x + 2)
9x - 6x + 6 = 5x + 10
-2x = 4
x = -2

9*(-2) - 6*(-2-1) = 5(-2 + 2)
-18 + 18 = 0
0 = 0

Ответ: {-2}