Найдите корни уравнения:. Created by insarzhamankul. matematika-ru

проверка: .......................................проверка:

Найдите корни уравнения:...

insarzhamankul @insarzhamankul

November 2021 1 18 Report

Найдите корни уравнения:

Answers & Comments

uh19

Verified answer

$\displaystyle x + \frac{4}{21} =\frac{2}{3} +\frac{2}{7}\\\\x+\frac{4}{21}=\frac{7*2}{7*3}+\frac{3*2}{3*7}\\\\x+\frac{4}{21}=\frac{14}{21}+\frac{6}{21}\\\\ x+\frac{4}{21}=\frac{20}{21}\\\\x=\frac{20}{21}-\frac{4}{21}\\\\x=\frac{16}{21}$

проверка:

$\displaystyle \frac{16}{21}+\frac{4}{21}=\frac{2}{3}+\frac{2}{7}\\\\ \frac{20}{21}=\frac{14+6}{21}\\\\ \frac{20}{21}=\frac{20}{21}$

.......................................

$\displaystyle (\frac{4}{5}-x)+\frac{13}{20}=\frac{7}{10}\\\\\frac{4}{5}-x=\frac{7}{10}-\frac{13}{20}\\\\\frac{4}{5}-x=\frac{7*2}{10*2}-\frac{13}{20}\\\\ \frac{4}{5}-x=\frac{14}{20}-\frac{13}{20}\\\\ \frac{4}{5}-x=\frac{1}{20}\\\\-x=\frac{1}{20}-\frac{4}{5}\\\\-x=\frac{1}{20}-\frac{4*4}{4*5}\\\\ -x=\frac{1}{20}-\frac{16}{20}\\\\ -x=-\frac{3}{4}\\\\x=\frac{3}{4}$

проверка: $\displaystyle (\frac{4}{5}-\frac{3}{4})+\frac{13}{20}=\frac{16-15}{20}+\frac{13}{20}=\frac{1}{20}+\frac{13}{20}=\frac{14}{20}=\frac{7*2}{10*2}=\frac{7}{10}\\\\\frac{7}{10}=\frac{7}{10}$

18 votes Thanks 18

insarzhamankul урааа

insarzhamankul спасибо

glebkabushko спс

perviychelovek35 здравствуйте вы не могли бы мне помочь с алгеброй пожалуйста умоляю

Answers & Comments

Verified answer

34be9078913ba91f3f9197d0e64b441a

4fdb9a7c7e389b495f1224ec0ab84cf7

pomogite pozhalujsta eto srochno sostavte klaster znachenij zaglaviya rasskaza

s za skolko chasov kater proplyvet rasstoyanie v 72 km po techeniyu rekia324cc69976c297573f9d522522a09a7 97260

s za skolko chasov kater proplyvet rasstoyanie v 72 km po techeniyu reki

pomogite po istorii kazahstana pozhaalujsta i s novym godom zadanie

pomogite srochno srochno pozhalujstasostavte predlozheniya v present continuous4a2cfe1dd05c45c01d3331120bc93b6a 68751

pomogite pozhalujsta sostavte predlozheniya v present continuous tense vam n

pomogite srochno srochno pozhalujstasostavte predlozheniya v present continuous

pomogite eto srochnoooooo otgadaj zagadki kakie chislitelnye pomogli tebe na

рекомендуемые вопросы

Helpful Links

Helpful Social