Решите уравнения. Пожалуйста.. Created by MiLkA050915. matematika-ru

Решите уравнения. Пожалуйста....

liquidation13780

Ответ:

Пошаговое объяснение:

5) у=1/21

4) x=3/8

6) x=17/18

7) y=17/32

8) y=1/10

1 votes Thanks 2

Veronika724

$x + \dfrac{5}{24} = \dfrac{7}{12}\\\\\\x = \dfrac{7}{12} - \dfrac{5}{24}\\\\\\x = \dfrac{14}{24} - \dfrac{5}{24}\\\\\\x = \dfrac{14-5}{24}\\\\\\x = \dfrac{9}{24}\\\\\\\boxed{x = \dfrac{3}{8}}$

$y + \dfrac{2}{7} = \dfrac{1}{3}\\\\\\y = \dfrac{1}{3} - \dfrac{2}{7}\\\\\\y = \dfrac{7}{21} - \dfrac{6}{21}\\\\\\y = \dfrac{7-6}{21}\\\\\\\boxed{y = \dfrac{1}{21}}$

$x - \dfrac{1}{6} = \dfrac{7}{9}\\\\\\x = \dfrac{7}{9} + \dfrac{1}{6}\\\\\\x = \dfrac{14}{18} + \dfrac{3}{18}\\\\\\\\x = \dfrac{14+3}{18}\\\\\\\boxed{x = \dfrac{17}{18}}$

$y - \dfrac{3}{8} = \dfrac{5}{32}\\\\\\y = \dfrac{5}{32} + \dfrac{3}{8}\\\\\\y = \dfrac{5}{32} + \dfrac{12}{32}\\\\\\y = \dfrac{5+12}{32}\\\\\\\boxed{y = \dfrac{17}{32}}$

$y + \dfrac{2}{5} = \dfrac{1}{2}\\\\\\y = \dfrac{1}{2} - \dfrac{2}{5}\\\\\\y = \dfrac{5}{10} - \dfrac{4}{10}\\\\\\y = \dfrac{5-4}{10}\\\\\\\boxed{y = \dfrac{1}{10}}$

1 votes Thanks 1

Veronika724 Настолько подробно, насколько это возможно

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