решите уравнение пожалуйста. Created by morkovkanaraone. algebra-ru

решите уравнение пожалуйста...

asantik

Verified answer

x/4-x/5=3

x(1/4-1/5)=3

x/20=3

x=60

Проверка:

60/4-60/5=3

15-12=3

3=3

1 votes Thanks 1

1grom9

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$\frac{x}{4} - \frac{x}{5} = 3 \\ \frac{4}{20} x = 3 \\ x = 3 \div \frac{1}{20} \\ x = 60 \\ .............. \\ \frac{60}{4} - \frac{60}{5} = 3 \\ 3 = 3$

1 votes Thanks 11

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