7*(2х-у)-4*(3х-2у)= 8х-2*(3х+5у)= 3*(4m-3n)-5*(m-3n)= 9m-5*(3m-2n)=

Question

7*(2х-у)-4*(3х-2у)=
8х-2*(3х+5у)=
3*(4m-3n)-5*(m-3n)=
9m-5*(3m-2n)=

Answer 1

1) 14х-7у-12х+8у=2х+у

Comments

У мене так само спс. А інші?