( 7 1/8-х)+2 3/8 равно 5 7/8

[latex](7 frac{1}{8} -x)+2 frac{3}{8} =5 frac{7}{8} \ (7 frac{1}{8} -x) =5 frac{7}{8} - 2 frac{3}{8}\ (7 frac{1}{8} -x) =3 frac{4}{8} \ x=7 frac{1}{8} -3 frac{4}{8} \ x=6 frac{9}{8} -3 frac{4}{8} \ x=3 frac{5}{8} \ [/latex]

(7 1/8-х)+2 3/8=5 7/87 1/8-х+2 3/8=5 7/8-х=5 7/8-2 3/8-7 1/8-х=-3 5/8х=3 5/8