Odpowiedź:
a) 5 * x = 120 = 5x = 120 = 5x : 5 = 120 : 5 = x = 24
b) 4 * x + 6 = 38 = 4x + 6 = 38 = 4x = 38 - 6 = 4x = 32 = x = 8
c) 6 * x - 11 = 25 = 6x = 25 + 11 = 6x = 36 = x = 6
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Odpowiedź:
a) 5 * x = 120 = 5x = 120 = 5x : 5 = 120 : 5 = x = 24
b) 4 * x + 6 = 38 = 4x + 6 = 38 = 4x = 38 - 6 = 4x = 32 = x = 8
c) 6 * x - 11 = 25 = 6x = 25 + 11 = 6x = 36 = x = 6