Question

resolva as equacoes 2(x+2)=10

Answer 1

<=>2x+2=10
<=>2x=10-2
<=>2x=8
<=>x=4

Answer 2

2(x + 2) = 10 
2(2 + x) = 10 
(2 * 2 + x * 2) = 10 
(4 + 2x) = 10 
4 + 2x = 10