Question

пж помогите с 7..........​

Answer 1

Ответ:

$36:(x+11\frac{4}{5})=1\frac{17}{19}\\\\36:(x+\frac{59}{5})=\frac{36}{19}\\\\x+\frac{59}{5}=36:\frac{36}{19}\\\\x+\frac{59}{5}=\frac{36}{1} *\frac{19}{36} \\\\x+\frac{59}{5}=\frac{1}{1} *\frac{19}{1} \\\\ x+\frac{59}{5}=\frac{19}{1}\\\\x=\frac{19}{1}-\frac{59}{5}\\\\x=\frac{95}{5}-\frac{59}{5} \\\\x=\frac{36}{5}\\\\x=7,2$

Проверка:

$36:(7,2+11\frac{4}{5})=1\frac{17}{19}\\\\36:(\frac{7,2}{1}+\frac{59}{5})=\frac{36}{19}\\\\36:( \frac{36}{5}+\frac{59}{5})=\frac{36}{19} \\\\36:\frac{95}{5}=\frac{36}{19}\\\\36*\frac{5}{95}=\frac{36}{19}\\\\\frac{180}{95}=\frac{36}{19}\\\\\frac{180}{95}=\frac{180}{95}$

Answer 2

Ответ:

7 1/5

Пошаговое объяснение:

36: (x+ 11 4/5) = 4 2/3

36: ( x + 59/5) = 36/19

x + 59/5 = 36: 36/19

x + 59/5 = 36* 19/36

x + 59/5 = 19

x=19- 59/5

x=95/5- 59/5

x=36/5

x=7 1/5