Question

Найдите корень уравнения

Answer 1

Ответ:

1).

$x = - 11 \frac{29}{40}$

2).

$x = - 71 \frac{3}{4}$

3).

$x = - 8 \frac{11}{40}$

4).

$x = 18 \frac{5}{21}$

Пошаговое объяснение:

Номер 502

1).

$x + 4 \frac{1}{8} = - 7 \frac{3}{5}$

$x = - 7 \frac{3}{5} - 4 \frac{1}{8}$

$x = - 7 \frac{24}{40} - 4 \frac{5}{40}$

$x = - 11 \frac{29}{40}$

2).

$- x + ( - 31 \frac{1}{3}) = 40 \frac{5}{12}$

$- x - 31 \frac{1}{3} = 40 \frac{5}{12}$

$- x = 40 \frac{5}{12} + 31 \frac{1}{3}$

$- x = 40 \frac{5}{12} + 31 \frac{4}{12}$

$- x = 71 \frac{9}{12}$

$x = - 71 \frac{3}{4}$

3).

$- 5 \frac{3}{20} - x = 3 \frac{1}{8}$

$- x = 3 \frac{1}{8} + 5 \frac{3}{20}$

$- x = 3 \frac{5}{40} + 5 \frac{6}{40}$

$- x = 8 \frac{11}{40}$

$x = - 8 \frac{11}{40}$

4).

$- 29 \frac{3}{7} - x = - 11 \frac{4}{21}$

$- x = - 11 \frac{4}{21} + 29 \frac{3}{7}$

$-x = - 11 \frac{4}{21} + 29 \frac{9}{21}$

$x = - 18 \frac{5}{21}$