Question

33y+23y-(38y-27y)=129

Answer 1

33y+23y-(38y-27y)=129
33y+23y-11у=129
45у=129
у=129:45
у=2,87

Answer 2

33у+23у-(38у-27у)=129 56у-38у+27у=129 45у=129 у=2 39/45 у=2 13/15