Answer:
y=2
*The answer must have a positive sign.*
Explanation:
First, add by 1 from both sides of an equation.

Then, simplify by equation.

Next, add by 4y from both sides of an equation.

Simplify.

Divide by 7 from both sides of an equation.

And finally, simplify by equation.




Answer: →

Hope this helps!
-Charlie Johnson
Thanks!
:)