A) x+9=27 Б) x-7=14 B)60-c=18 Г) 2x+1=77 Д) 4x-3=29 E) 2+5x=32 Ж) 3x-1=14 з) 6+12x=18 И) 21-5x=6

A) x + 9 = 27х = 27 - 9х = 18 ;Б) x - 7 = 14х = 14 + 7х = 7;B) 60 - c = 18с = 60 - 18с = 42 ;Г) 2x + 1 = 772х = 77 - 12х = 76х = 76 : 2х = 38 ;Д) 4x - 3 = 294х = 29 + 34х = 32х = 32 : 4х = 8 ;E) 2 + 5x = 325х = 32 - 25х = 30х = 30 : 5х = 6 ;Ж) 3x - 1 = 143х = 14 + 13х = 15х = 15 : 3х = 5 ;з) 6 + 12x = 1812х = 18 - 612х = 12х = 12 : 12х = 1 ;И) 21 - 5x = 65х = 21 - 65х = 15х = 15 : 5х = 3 .