a + b = 814
2b = 4a
[tex]
4a + 2a = 814 = \ \textgreater \ 6a = 814 = \ \textgreater \
6a = 814 - 10 = \ \textgreater \ 6a = 804= \ \textgreater \ a = 804 : 6 = \ \textgreater \ a = 134
= \ \textgreater \ 134 * 2 + 10 = 268 + 10 = 278
= \ \textgreater \ 134 * 4 = 536
[/tex]