Question

Решите уравнение 11 5/12-х=7 5/24
(х-1/10)+1/15=7/9

Answer 1

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Answer 2

$11 frac{5}{12} - x = 7 frac{5}{24} \ \ frac{55}{12} - x = frac{35}{24} \ \ - x = frac{35}{24} - frac{55}{12} \ \ frac{35 - 110}{24} = frac{ - 75}{24} = - frac{75}{24} = - frac{25}{8} \ \ - x = - frac{25}{8} \ \ x = frac{25}{8}$
2)
$(x - frac{1}{10} ) + frac{1}{15 } = frac{7}{9} \ \ x - frac{1}{10} + frac{1}{15} = frac{7}{9} \ \ frac{ - 3 + 2}{30} = frac{ - 1}{30} = - frac{1}{30} \ \ x - frac{1}{30} = frac{7}{9} \ \ x = frac{7}{9} + frac{1}{30} \ \ frac{70 + 3}{90} = frac{73}{90} \ \ x = frac{73}{90}$