November 2018 1 12 Report

Potrzebuję na czwartek (16.05) zadanie (układy równań):

a)

{x + 2y = 4

{2x - y = 3

b)

{2x = 5 - 3y

{4x + 6y = 10

c)

{x (x + 1) - y (y-1) = (x-y) (x+y)

{x+y/2 - x-y/2 = x

Z góry dzięki :3

od Aveo

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