Odpowiedź:
(4 - x+ 2)/7 = (8x - 3 + 2x)/(- 10)
- 10(4 - x + 2) = 7(10x - 3)
- 40 + 10x - 20 = 70x - 21
10x - 60 = 70x - 21
10x - 70x = - 21 + 60
- 60x = 39
60x = - 39
x = - 39/60 = - 13/20
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Odpowiedź:
(4 - x+ 2)/7 = (8x - 3 + 2x)/(- 10)
- 10(4 - x + 2) = 7(10x - 3)
- 40 + 10x - 20 = 70x - 21
10x - 60 = 70x - 21
10x - 70x = - 21 + 60
- 60x = 39
60x = - 39
x = - 39/60 = - 13/20