October 2018 1 23 Report

Dzien dobry czy ktos pomoze mi rozwiazac nastepujace uklady rownan?

Pierwsze zadanie:

2x + x + y = 20

20 x + 10 * 2x + 100y = 700

Drugie zadanie:

3x + y = 20

40x + 100y = 700 / :10


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