c) $5(x-12)+22=92$
$5(x-12)=92-22$
$5(x-12)=70$
$x-12=70:5$
$x-12=14$
$x=14+12$
$x=26$
g) $9x+2.3^2=3^4$
$9x+18=81$
$9x=81-18$
$9x=63$
$x=63:9$
$x=7$
j) $95-5(x+2)=45$
$5(x+2)=95-45$
$5(x+2)=50$
$x+2=50:5$
$x+2=10$
$x=10-2$
$x=8$
n) $9x+2.3^2=3^4$
$9x+18=81$
$9x=81-18$
$9x=63$
$x=63:9$
$x=7$