September 2018 1 11 Report

Siemka. Potrzebuje pilnie rozwiazania tych oto dzialan, ukladem równan.

Stawka jest wysoka! Daje wszystko co mam !

1. 2x + y = 11

5x - 4y = 8

2. 2x + 5y = 25

4x + 3y = 15

3. 2x = 1 - y

y = x - 5

4. x + y = 3

x/2 + y/2 = 3

5. 3(x-1)+2(2-y)=-5-y

x + y = 2

6. 2x - 3y = 8

7x - 5y = -5

7. x+ y = 5

2x= 5 - 2y

8. x= 4 - y

y= 4 - x

9. 2x(x+y)-(x-y)=-4

x+y=2

PILNE!!


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