Question

5.(2x+-1)=2.(x+4)??????

Answer 1

Distributiva

10x-5 = 2x + 8
10x - 2x = 8 + 5
8x = 13
x = 13/8

Espero ter ajudado! =)

Answer 2

5.(2x+-1)=2.(x+4
10x - 5 = 2x + 8
  10x-2x = 8+5
     8x = 13
  x = 13
         8