4(5х + 9у-z)= -6(-a-8b+7c)=

Question

4(5х + 9у-z)=

-6(-a-8b+7c)=

Answer 1

20х+36у-4z

6а+48в-42с 

Answer 2

4(5х + 9у-z)=20x +36y -4z
-6(-a-8b+7c)=6a + 48b - 42c