Question

упростите :
6(x-3)-(4a+7)+2(x-2a)=?
7(y-2)+6(4-y)+5(-y-2)=?

Answer 1

6(х-3)-(4а+7)+2(х-2а)=6х-18-4а-7+2х-4а=8х-25
7(у-2)+6(4-у)+5(-у-2)=7у-14+24-6у-5у-10=-4у