Question

2(×+1) = 4(×-1)
preciso dela resolvida
com conta ​

Answer 1

2(x + 1)= 4(x - 1)

2x + 2= 4x - 4

2x - 4x= - 4 - 2

- 2x= - 6 >>.(-1)

2x= 6

x= 6/2

x= 3