Question

$5.(2x+4)=30$

Answer 1

Atendendo ao enunciado

5 (2x + 4) = 30
10x + 20 = 30
10x = 30 - 20
10x = 10
x = 10/10

x = 1

Bons Estudos Boa Sorte : ) 

Answer 2

5 • (2x + 4) = 30

5 • 2x + 5 • 4 = 30

10x + 20 = 30

10x = 30 - 20

10x = 10

x= 10/10

x= 1