Question

7x+21

need the answer for this and was wondering if anyone could help???

Thanks :)

Answer 1

That's basically the answer

Explanation:

if you meant to say 7x=21 then the answer is

x=3

Answer 2

x = -3

Explanation:

7x+21=0

-21 on both sides

7x = -21

divide 7 on both sides

x = -3