Question

реши уравнения
1971+x/7=2129
1224-x/6=859

Answer 1

1971+х/7=2129
х/7=2129-1971
х/7=158
х=158×7
х=1106

1224-х/6=859
х/6=1224-859
х/6=365
х=365×6
х=2190

Answer 2

1: 1971+x=2129
7

7×1971+7×x=7×2129
7

13797+x=14903

x=14903-13797

x=1106

2: 1224-x=859
6

6×1224-6×x=6×859
6

7344-x=5154

-x=5154-7344

-x=-2190

x=2190