Ответ:
12
Пошаговое объяснение:
[tex]\frac{5}{12}+\frac{a}{9}=1\frac{3}{4}\\\\\frac{a}{9}=1\frac{3}{4}-\frac{5}{12}\\\\\frac{a}{9}=\frac{7}{4}-\frac{5}{12}\\\\\frac{a}{9}=\frac{21}{12}-\frac{5}{12}\\\\\frac{a}{9}=\frac{16}{12}\\\\\frac{a}{9}=\frac{4}{3}\\\\a=\frac{9*4}{3}\\\\a=12[/tex]
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Answers & Comments
Ответ:
12
Пошаговое объяснение:
[tex]\frac{5}{12}+\frac{a}{9}=1\frac{3}{4}\\\\\frac{a}{9}=1\frac{3}{4}-\frac{5}{12}\\\\\frac{a}{9}=\frac{7}{4}-\frac{5}{12}\\\\\frac{a}{9}=\frac{21}{12}-\frac{5}{12}\\\\\frac{a}{9}=\frac{16}{12}\\\\\frac{a}{9}=\frac{4}{3}\\\\a=\frac{9*4}{3}\\\\a=12[/tex]