Автор - hristicoksanahristic

Решите уровнение.
8 1/2-х=3 5/16;
(5 2/7+y)-3 1/3=6 5/42

Ответ

Автор - jekadva

Ответ:

Пошаговое объяснение:

8 1/2-х=3 5/16;

x = 8 1/2 - 3 5/16

x = 8 8/16 - 3 5/16

x = 5 3/16

(5 2/7+y)-3 1/3=6 5/42

5 2/7 + y = 6 5/42 + 3 1/3

5 2/7 + y = 6 5/42 + 3 14/42

5 2/7 + y = 9 19/42

y = 9 19/42 - 5 2/7

y = 9 19/42 - 5 12/42

y = 4 7/42

y = 4 1/6

Ответ

Автор - papagenius

Пошаговое объяснение:

[begin{gathered}8frac{1}{2}-x=3frac{5}{{16}} hfill \x=8frac{1}{2}-3frac{5}{{16}} hfill \x=8frac{8}{{16}}-3frac{5}{{16}} hfill \x=boxed{5frac{3}{{16}}} hfill \ end{gathered}]

[begin{gathered}left( {5frac{2}{7}+y}right)-3frac{1}{3}=6frac{5}{{42}} hfill \left( {5frac{2}{7}+y}right)=6frac{5}{{42}}+3frac{1}{3} hfill \left( {5frac{2}{7}+y}right)=6frac{5}{{42}}+3frac{{14}}{{42}} hfill \5frac{2}{7}+y=9frac{{19}}{{42}} hfill \y=9frac{{19}}{{42}}-5frac{2}{7} hfill \y=9frac{{19}}{{42}}-5frac{{12}}{{42}} hfill \y=4frac{7}{{42}}=boxed{4frac{1}{6}} hfill \end{gathered}]

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