September 2018 2 31 Report

Błagam o zrobienie tego, bo niestety będzie z tego ocena... (układy równań)

1. {y=12x

65=y+x

2. {x+y=54

x-9=9+y

3. {2x+3y=6,90

3x+2y=6,60

4. {x+y=28,80

x+25%*x=y-25%*y

5. {x+y=12

10x+y+54=10y=x

6. {2x+2y=28

x-1=y+1

7. {3%x+5%y=3,5%*2

x+y=2

Błagam, cokolwiek, bo niestety tego nie umiem;/


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