Oblicz wartości wyrażeń algebraicznych:
a) 3x + 1 dla x= -1
b)5-2y dla y=1
a) 3x + 1 dla x = -1
3 * (-1) + 1 = -3 + 1 = -2
b)
5 - 2y dla y = 1
5 - 2 * 1 = 5 - 2 = 3
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a)
3x + 1 dla x = -1
3 * (-1) + 1 = -3 + 1 = -2
b)
5 - 2y dla y = 1
5 - 2 * 1 = 5 - 2 = 3