Răspuns:
Salut!
[tex]x + y + z = 173 \\ x \div y = 3 \: r \: 15 \\ x + y - 9 = z[/tex]
[tex]x = 3y + 15[/tex]
[tex]3y + 15 + y - 9 = z = > 4y + 6 = z[/tex]
[tex]3y + 15 + y + 4y + 6 = 173[/tex]
[tex]8y = 152 = > y = 19[/tex]
[tex]x = 3y + 15 = > x =57 + 15 \\ x = 72[/tex]
[tex]z = 19 + 72 - 9 \\ z = 82[/tex]
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Răspuns:
Salut!
[tex]x + y + z = 173 \\ x \div y = 3 \: r \: 15 \\ x + y - 9 = z[/tex]
[tex]x = 3y + 15[/tex]
[tex]3y + 15 + y - 9 = z = > 4y + 6 = z[/tex]
[tex]3y + 15 + y + 4y + 6 = 173[/tex]
[tex]8y = 152 = > y = 19[/tex]
[tex]x = 3y + 15 = > x =57 + 15 \\ x = 72[/tex]
[tex]z = 19 + 72 - 9 \\ z = 82[/tex]