search points attachment profile arrow left arrow right star heart verified symbols equation arrow-down question mark check menu accountancyadministrationagriculturalalgebraallarabicartart_musicbelarusbelarus_altbiologybusinesscatalachemistrychineseeconomicsegzamenglishentrepreneurshipenvironmentethicseuskarafirst_aidfrenchgalegogeographygeologygeometrygermangrammarhealthhistoryindia_langindonesian_langinformaticsitalianjapanesekazachkazach_altkoreanlanguagelatinlawlife_scienceliteraturelogicmathematicsmusicnigerian_langother_languagesotherspedagogicsphilosophyphysical_educationphysicspoliticspsychologyreligionrpa_langrussianrussian_altsciencesecurityskillssocial_sciencesociologyspanishstatisticstechnologytourismtrafficukrainianukrainian_altukrainian_literaturewos_civilisation accountancyadministrationagriculturalalgebraall_1arabicartart_music_2belarusbelarus_altbiologybusiness_2catalachemistry_1chineseeconomicsexam_3englishentrepreneurshipenvironment_2ethicseuskarasecurity_1frenchgalegogeography_4geology_4geometrygermangrammarhealthhistoryindia-langindonesian-langinformaticsitalianjapanesekazachAsset 230koreanlanguagelatinlawlife-scienceliteraturelogic_2mathematicsmusicnigerian-langotherlanguagesother_1pedagogicsphilosophyphysical_educationphysicspoliticspsychologyreligion_1rpa-langrussianrussian_altsciencesecurity_3_mskills_1allsocial_science_5_msociologyspanishstatisticstechnologytourismtrafficukrainianukrainian_altukrainian_literaturewos_civilisation

Ответ

Ответ дан
MaxikMK

Решить уравнение.

x + dfrac{1}{9}cdot x = 1dfrac{2}{3};\\1cdot x + dfrac{1}{9}cdot x = dfrac{1*3+2}{3};\\dfrac{9}{9}cdot x + dfrac{1}{9}cdot x = dfrac{5}{3};\\left(dfrac{9}{9} + dfrac{1}{9}right)cdot x = dfrac{5}{3};\\dfrac{10}{9}cdot x = dfrac{5}{3};\\x = dfrac{5}{3}:dfrac{10}{9};\\x = dfrac{5}{3}cdotdfrac{9}{10};\\x = dfrac{3}{2};\\x = 1dfrac{1}{2}.

Ответ: bf x = 1dfrac{1}{2}.

Ответ

Проверено экспертом

Ответ дан
maymr

ttdisplaystyle x+frac{1}{9}x=1frac{2}{3}\\\1frac{1}{9}x=frac{1*3+2}{3}\\\frac{1*9+1}{9}x=frac{5}{3}\\\frac{10}{9}x=frac{5}{3}\\\x=frac{5}{3}:frac{10}{9}\\\x=frac{5}{3}*frac{9}{10}\\\x=frac{3}{2}\\\x=1,5

Ответ: 1,5

Ответы и объяснения

Не тот ответ, который тебе нужен?


По всем вопросам пишите на - [email protected]