а) 14с-4b+10b-4c= 6b + 10c
б) 5*(2x-3)+10= 10x-15+10 = 10x – 5
в) 4*(x-5) -2*(x+3)= 4x-20-2(x+3) = 4x-20-2x-6 = 2x – 26
г) c-(3c-(5c-1))= c-(3c-5c+1) = c-3c+5c-1 = 3c – 1
а) 14с-4b+10b-4c= 6b + 10c
б) 5*(2x-3)+10= 10x-15+10 = 10x – 5
в) 4*(x-5) -2*(x+3)= 4x-20-2(x+3) = 4x-20-2x-6 = 2x – 26
г) c-(3c-(5c-1))= c-(3c-5c+1) = c-3c+5c-1 = 3c – 1