3/4-(×+1/20)=1/5 помогите решить. Created by ayakoz86. matematika-ru

5 помогите решить...

ЗлатКалина 3/4-(×+1/20)=1/5
x+1/20=3/4-1/5
x+1/20=11/20
x=11/20-1/20
x=1/2
Ответ:1/2.

1 votes Thanks 0

TheWendyPlay $\frac{3}{4} -(x+ \frac{1}{20}) = \frac{1}{5}
$
$x+ \frac{1}{20} = \frac{3}{4} -\frac{1}{5} = \frac{11}{20}
$
$x=\frac{11}{20}-\frac{1}{20}= \frac{10}{20} = \frac{1}{2} =0.5$

0 votes Thanks 0

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