Answer:
I have attached a photo containing my work and answers. If you have any questions, please let me know!
~Hope this helps!~
The answer to this equation would be x=4. Is that what u were asking?
Answer: x = -3
Step-by-step explanation:
i simply divided by -7, in order to get x by itself.
-7/-7x = 21/-7
that cancels out the -7 on the left side, and leaves us with -3 on the right side!
x = -3