8x-9=3 x+16

8x - 9 = 3x + 16

First, let's simplify the equation. Start by moving the constant terms to one side of the equation and the variable terms to the other side.

8x - 3x = 16 + 9

Combine like terms:

5x = 25

To isolate x, divide both sides of the equation by 5:

x = 5

Ответ: x = 5