Odpowiedź:
Szczegółowe wyjaśnienie:
2(x + 1) + 4x = 3(3x + 2) - 20
2x + 2 + 4x = 9x + 6 - 20
6x + 2 = 9x - 14
6x - 9x = -14 - 2
-3x = - 16 /:(-3)
x = 16/3
x = 5 i 1/3
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Odpowiedź:
Szczegółowe wyjaśnienie:
2(x + 1) + 4x = 3(3x + 2) - 20
2x + 2 + 4x = 9x + 6 - 20
6x + 2 = 9x - 14
6x - 9x = -14 - 2
-3x = - 16 /:(-3)
x = 16/3
x = 5 i 1/3