Розв’яжіть рівняння:

1) 100 : (45 – х) = 4;

6) 16 · (24 – х) = 256;

2) (70 + х) + 35 = 34;

7) (60у – 30) : 5 = 18;

3) 55 – 8у = 7;

8) (410 – х) : 7 + 70 = 120;

4) 27 : х + 29 = 38;

9) 54х + 36х – х = 68;

5) (у – 25) : 25 = 18;

10) 28у – 18у + 5у + 15 = 75.
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