Question

alguém desenvolve pra mim??

Answer 1

8(x-3) = 5(6-2x)
8x - 24 = 30 - 10x
8x + 10x = 30 + 24
18x = 54
x = 54/18
x = 3

Answer 2

    5             8
--------- = ----------
  x - 3       6 - 2x

8x - 24 = 30 - 10x

8x + 10x = 30 + 24

18x = 54

x = 54/18

x = 3