Question

Решите уравнение x- 4 1/5=9 3/10-3 1/4

Answer 1

$x-4 frac{1}{5}=9 frac{3}{10}-3 frac{1}{4} \ x-4frac{1}{5}=9 frac{6}{20}-3 frac{5}{20} \ x-4frac{1}{5}=6 frac{1}{20} \ x=6 frac{1}{20}+4 frac{1}{5} \ x=6 frac{1}{20}+4 frac{4}{20} \ x=10 frac{5}{20} \ x=10 frac{1}{4}$

Answer 2

$x-4 frac{1}{5} =9 frac{3}{10}-3 frac{1}{4}$
$x=9 frac{3}{10}-3 frac{1}{4}+4 frac{1}{5} =9 frac{3*2}{10*2}-3 frac{1*5}{4*5}+4 frac{1*4}{5*4}$$=9 frac{6}{20}-3 frac{5}{20}+4 frac{4}{20}=10 frac{5}{20} =10 frac{1}{4}$