Can someone help me please?

x=7

Step-by-step explanation:

All you have to do is take just two of the sides and just say that they're equal, find x and then plug it in to see if it works with all of them. So we have:

Plug x into the other sides and you'll see that it checks out since you'll always get 30. Hope it helped :)

x = -2

y = 848

step-by-step explanation:

plug in the numbers

saving = more money

step-by-step explanation:

if you have 100 bucks, and you want to buy a candy bar, even if you have one at home, if you choose not to buy it, you save.

~courtney