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3-2/3x=2/5  and without decimal

 Nov 13, 2020
 #1
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Can somebody help him because me too I need the answer

 Nov 13, 2020
 #2
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+1

3-2/3x=2/5  and without decimal

 

Hello Guest!          | use the google translator once

 

\(3-\frac{2}{3}x=\frac{2}{5}\)         | - 3  beide Seiten

 

\(-\frac{2}{3}x=\frac{2}{5}-3\)     | mal - 1

 

\(\frac{2}{3}x=3-\frac{2}{5}\)        | rechts gemeinsamen Bruch bilden

 

\(\frac{2}{3}x=\frac{3\cdot 5{\color{Red}-2}}{5}\)        | Zähler ausrechnen   ( -2 war +2, danke Alan)

 

\(\frac{2}{3}x=\frac{\color{Red}13}{5}\)            | mal \(\frac{3}{2}\)   beide Seiten

 

\(x=\frac{{\color{Red}13}\cdot 3}{5\cdot 2}\)            | multiplizieren   

 

\(x=\frac{\color{Red}39}{10}\)              | rechts durch 10 mit Rest

 

\(x=3\frac{9}{10}\)

laugh  !

 Nov 13, 2020
edited by asinus  Nov 13, 2020
edited by asinus  Nov 13, 2020

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