October 2018 1 20 Report

Potrzebuję na dziś ! Układy równań !

a)

(x - y = 1

(2x + 3y = 7

b)

(-x + 2y = 1

(2x - 3y = 6

c)

(2x - y = 8

(x + 2y = -1

d)

(2x - y = -10

(2x - 3y = -18

e)

(x + 2y = -8

(-5x - 2y = -12

f)

(2x + y + 1 = 0

(3x + y - 16 = 0

Z góry dzięki :)


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