Question

10a+(4-4a)=
-(4b-10)+(4-5b)=

Answer 1

10а+(4-4а)=10а+4-4а=6а+4
-(4б-10)+(4-5б)=-4б+10+4-5б=-9б+14

Answer 2

10a+(4-4a)=10a-4a+4=6a+4.
-(4b-10)+(4-5b)=-4b+10+4-5b=
-9b+14.