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a-b=8,a:b=15 care sunt numerele?

Răspuns :

Miky93
[tex]a-b=8 \ \ =\ \textgreater \ a=8+b \\\\\\ a:b=15 \\\\ (8+b):b=15 \\\\ 8+b=15b \\\\ 8=15b-b \\\\ 8=14b \ \ |:2 \\\\ 4=7b \\\\ \boxed{b=\frac{4}{7}} \\\\\\ a:b=15 \\\\ a=15b \\\\ a=15* \frac{4}{7} \\\\ \boxed{a=\frac{60}{7}}[/tex]

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