Х – 34 = 46 с + 6 = 15 У : 15 = 3 52 – Х = 40 63 + с = 90 Х * 11 = 77

х-34=46х=46+34х=80.с+6=15с=15-6с=9.У:15=3У=3*15У=45.52-х=40х=52-40х=12.63+с=90с=90-63с=27.х*11=77х=77:11х=7