Ответ:\(x+12=24\)\(x=24-12=12\)\(x-12=24\)\(x=24+12=36\)\(15-x=8\)\(x=15-8=7\)\(x+10=22\)\(x=22-10=12\)\(11-x=11\)\(x=11-11=0\)\(x+30=36\)\(x=36-30=6\)Ответ: 12; 36; 7; 12; 0; 6.