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Rozwiąż równania:
1. X – 7 = 19
2. X + 8 = 17
3. 8x = 48
4. 7x + 7 = 28
5. 4x – 8 = 24
6. 4x + 7 - 2x = 17
7. 12x - 6 = 8x + 6
8. 9x + 5 = 50
Plis mam na to 20 min​


Rozwiąż Równania1 X 7 192 X 8 173 8x 484 7x 7 285 4x 8 246 4x 7 2x 177 12x 6 8x 68 9x 5 50Plis Mam Na To 20 Min class=

Odpowiedź :

Hej!

x - 7 = 19

x = 19 + 7

x = 26

x + 8 = 17

x = 17 - 8

x = 9

8x = 48 / : 8

x = 6

7x + 7 = 28

7x = 28 - 7

7x = 21 / : 7

x = 3

4x - 8 = 24

4x = 24 + 8

4x = 32 / : 4

x = 8

4x + 7 - 2x = 17

4x - 2x = 17 - 7

2x = 10 / : 2

x = 5

12x - 6 = 8x + 6

12x - 8x = 6 + 6

4x = 12 / : 4

x = 3

9x + 5 = 50

9x = 50 - 5

9x = 45 / : 9

x = 5

Pozdrawiam! - Julka