tolong ya guys nomor 4 dan 5

3^2x+2=1/9^×+1
3^2x+2=1/3^2^×+1
3^2x+2=3^-2(×+1)
3^2x+2=3^-2×-1
2x+2=-2x-2
2x+2x=-2-2
4x=-4
X=-4/4
X=-1