Odpowiedź :
a)
[tex]3x - 4 = 3 \times ( - 5) - 4 = - 15 - 4 = - 19[/tex]
b)
[tex]3a - 2b = 3 \times 0 - 2 \times ( - 0.5) = 0 - ( - 1) = 0 + 1 = 1[/tex]
a)
[tex]3x - 4 = 3 \times ( - 5) - 4 = - 15 - 4 = - 19[/tex]
b)
[tex]3a - 2b = 3 \times 0 - 2 \times ( - 0.5) = 0 - ( - 1) = 0 + 1 = 1[/tex]