Дам 5 баллов, не знаю как больше дать Решить уравнение

1)     7y  +  2y  •  13  +  23  –   23y  =   173 

2) 4х + 4х = 424

3) 10к – к = 702

4) 3х + 7х + 18 = 178

5) 6у – 2у + 25 = 65

6) 15у – 8у = 714;

7) 9z + z = 900;

8) 4к + 5к + к = 1260;

9)7z + 6z – 13 = 130.

10) 5x + 6x + 2x = 65

11) 18x + 28x - 39x = 63

12) 4у + 2у – у = 20;

13) 2а + 8а + 37 = 107.

14) 34х+17х=1173 

22) 48у-25у=437 

15) 7t+t+27=99 ​
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