Question

упростите выражение. 1)44c+(13-50c)-(29-47c)= 2)-31x-(70+14x)+(60-43x)=

Answer 1

1)44c+(13-50c)-(29-47c)= 44c+13-50c-29+47c=(44+47-50)с+(13-29)=41c-16
2)-31x-(70+14x)+(60-43x)=-31x-70-14x+60-43x=-x(31+14+43)+(60-70)=-88x-10