(89315-y)-12974=46138

Question

(89315-y)-12974=46138

Answer 1

( 89 315 - У) - 12 974 = 46 138
89 315 - У =46 138 + 12 974
89 315 - У =59 112
У =89 315 - 59 112 
У =30 203
проверка:
( 89 315 - 30 203) - 12 974 = 46 138
                                46 138 = 46 138

Answer 2

(89315-y)-12974=46138
89315-12974-y=46138
76341-y=46138
у=76341-46138
у=30203