2) х=28.9-4.347= 23.553
3) х= 23.427+6.873= 30.3
4) 81-х = 39,156-27.8 = 11.356
х= 81-11.356= 69.644
28,9-х=5,347
х=28.9-5.347
х=23.553
28.9-23.553=5.347
х-23,427=6,873
х=6.873+23.427
х=30.3
30.3- 23.427=6.873
(81-х)+27,8=39,156
81-х=39.156-27.8
-х=39.156-27.8-81
-х=-69.644
х=-69.644
2) х=28.9-4.347= 23.553
3) х= 23.427+6.873= 30.3
4) 81-х = 39,156-27.8 = 11.356
х= 81-11.356= 69.644
28,9-х=5,347
х=28.9-5.347
х=23.553
28.9-23.553=5.347
х-23,427=6,873
х=6.873+23.427
х=30.3
30.3- 23.427=6.873
(81-х)+27,8=39,156
81-х=39.156-27.8
-х=39.156-27.8-81
-х=-69.644
х=-69.644