October 2018 2 15 Report

Zadanie 6/42 Matematyka z plusem

Rozwiąż układ równań :

a)

x = -y

x - y = 6

b)

y = x +3

2x + y = 9

c)

x - 4y = 15

y = 4x

d)

y = -2x - 1

x = y + 7

e)

-3x = 2y

y= 1 - x

f)

5x + 6y = 8

x = 4y - 1

Błaaaagam, szybko!!

Powodzenia i pozdrówka :))


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