Respuesta :
first you will have to multiply 4 and 160 which will be 640
then write 640 in the place of 4x160 so you should have 643=640+n
you then will subtract 640 with 640 and they should console out
then subtract 643 with 640 you should get 3
so your answer should be 3=n
then write 640 in the place of 4x160 so you should have 643=640+n
you then will subtract 640 with 640 and they should console out
then subtract 643 with 640 you should get 3
so your answer should be 3=n
Omg really? Im in Middle School and i never saw anythin like this in Elementary School?????