SOLUTION: https://assets.learnosity.com/organisations/154/164a15f1-4af8-4925-84d2-46f82740ac0d.PNG

Algebra ->  Test  -> Lessons -> SOLUTION: https://assets.learnosity.com/organisations/154/164a15f1-4af8-4925-84d2-46f82740ac0d.PNG      Log On


   

Question 1179927: https://assets.learnosity.com/organisations/154/164a15f1-4af8-4925-84d2-46f82740ac0d.PNG
Answer by ikleyn(52756) About Me  (Show Source):
You can put this solution on YOUR website!
.

The sum of each pair of opposite angles is 180 degrees.


It gives you two INDEPENDENT equations:

            - one equation for x

    and

            - the other equation for y.


Their solution is  SO  SIMPLE  that  I  will not boring you explaining how to solve them.

It is more than obvious.