To solve for x do the following steps.
Step 1. Subtract 

 from both sides

Step 2. Divide both sides by 


Step 3. Factor out the common term 


Now lets solve for y. Follow the steps below.
Step 1. Subtract 

 from both sides.

Step 2. Divide both sides by 7.

Step 3. Factor out the common term 5.

Done! :)