Odpowiedź:
Szczegółowe wyjaśnienie:
B) 40 - 6x = 28
-6x = -12
x = 2
C) 3x - 12 = 2x + 1
x = 13
D) 4x - 3 = 7x - 24
-3x = -21
x = 7
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Odpowiedź:
Szczegółowe wyjaśnienie:
B) 40 - 6x = 28
-6x = -12
x = 2
C) 3x - 12 = 2x + 1
x = 13
D) 4x - 3 = 7x - 24
-3x = -21
x = 7