Combine like terms to create an equivalent expression: -n + (-4) - (-4n) + 6

3n + 2

Step-by-step explanation:

-n + 4n -4 + 6

3n + 2

you need to give us more information since we can't answer

x-150=475   x=625

step-by-step explanation:

if the bike after the sale ($150) is $475 then just simply add 150 to 475.