Question

5(3-x)=4x+18, me ajudeee

Answer 1

5(3-x) = 4x+18
15-5x = 4x+18
-5x-4x = 18 - 15
-9x = 3   (-1)
9x = -3
x = -3/9
x = -1/3

Answer 2

5.(3 - x) = 4x + 18
15 - 5x = 4x + 18
15 - 18 = 4x + 5x
- 3 = 9x
9x = - 3
x = - 3  (:3)
       ----
        9  (:3)

x = - 1
     -----
        3