x-jedna liczba40%x-druga liczba
x+40%x=70
x+ 2/5x=70/ *5
5x+ 2x=350
7x=350 / :7
x=50
40%x=20
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x-jedna liczba
40%x-druga liczba
x+40%x=70
x+ 2/5x=70/ *5
5x+ 2x=350
7x=350 / :7
x=50
40%x=20