28.9-x=5.347 x-23.427=6.873
28,9 - х = 5,347 х = 28,9 - 5, 347 х = 23, 553 28,9 - 23, 553 = 5, 347 5, 347 = 5, 347 х - 23,427 = 6,873 х = 23, 427 + 6, 873 х = 30,3 30,3 - 23, 427 = 6, 873 6, 873 = 6, 873
1) 28.9-x=5.347 X=28.9-5.347 X=23.553 2) x-23.427=6.873 X=23.427+6.873 X= 30.3