September 2018 1 27 Report

Zad.1Wpisz brakujace liczby.

a)

x-3y=5 |*(-4)

4x+5y=1

-4x+....y=...

4x+5y=1

...y=....

y=...

x-3y=5

x=5+3*...

x=...

x=...

y=...

b)

0,3x+1,5y=5 |*2

1,5x+y=-1 |*(-3)

...x+...y=...

...x+...y=...

...x=...

x=...

1,5x+y=-1

y=...

y=...

x=...

y=...

Zad.2Rozwiąż podany układ ruwnań,wpisujac brakujace liczby.

4x-5y=19

3x+2y=20

4x-5y=19 |*...

3x+2y=20 |*...

...x-10y=...

...x+10y=...

...x=...

x=...

4x-5y=19 |*...

3x+2y=20 |*...

12x -...y=...

-12x-...y=...

...y=...

y=...

Prosze o jak najszybsze rozwiazanie. Dam naj.

*-mnorzenie


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