7. Реши уравнения. x-3=21 15:x=5 4*x=28 x-17 = 46 48-x=29 x-13=26 x+24=56 37+x=70 x+18=40

Решение уравнений:

1. x - 3 = 21
   x = 21 + 3
   x = 24
2. 15 : x = 5
   x = 15 : 5
   x = 3
3. 4 * x = 28
   x = 28 : 4
   x = 7
4. x - 17 = 46
   x = 46 + 17
   x = 63
5. 48 - x = 29
   x = 48 - 29
   x = 19
6. x - 13 = 26
   x = 26 + 13
   x = 39
7. x + 24 = 56
   x = 56 - 24
   x = 32
8. 37 + x = 70
   x = 70 - 37
   x = 33
9. x + 18 = 40
   x = 40 - 18
   x = 22