1)862-(x-23)=34 2)(13+x)\12=9
1) 862 - (x - 23) = 34 862 - 34 = x - 23 828 + 23 = x x = 851 2) (13 + x)/12 = 9 13 + x = 9*12 13 + x = 108 x = 108 - 13 x = 95