Question

Помогите с уравнением пж

Answer 1

9*(х+2)=11*(х-2)

9х+18=11х-22

9х-11х=-22-18

-2х=-40

х=20

Answer 2

$9(x + 2) = 11(x - 2) \\ 9x + 18 = 11x - 22 \\ - 2x = - 40 \\ x = 20$