cara ngerjakan soal ini gimana 1/2(x+1)=x+2

1/2 (x + 1) = x + 2 || dikali 2 semua
1/2 × 2(x + 1) = 2 (x + 2)
x + 1 = 2x + 4
x - 2x = 4 - 1
-x = 3
x = -3

[tex] \frac{1}{2}(x+1) =(x+2) [/tex]
(dikali silang atau namanya dikali 2 )
x+1=2(x+2)
x+1 =2x+4
x-2x=4-1
-x = 3
x= -3