Question

(3 17 - п) + 1 47 = 3 5/7 + 27

Answer 1

$(3 frac{1}{7} -p)+1 frac{4}{7} =3 frac{5}{7} + frac{2}{7} \ \ 3 frac{1}{7} -p+1 frac{4}{7} =3+1\ \ frac{22}{7}-p+ frac{11}{7} =4/*7\22-7p+11=28\-7p=28-11-22\-7p=-5\p= frac{5}{7}$