Zadanie 1 Zredukuj.
5x + 10y - 3x - 5x + (-10y)
Z góry dzięki:)
5x + 10y - 3x - 5x + (-10y)=
=5x-3x-5x+10y-10y=
=-3x
5x + 10y - 3x - 5x + (-10y) =
5x + 10y + (-3x) + (-5x) + (-10y) = -3x
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5x + 10y - 3x - 5x + (-10y)=
=5x-3x-5x+10y-10y=
=-3x
5x + 10y - 3x - 5x + (-10y) =
5x + 10y + (-3x) + (-5x) + (-10y) = -3x