
<em>combine like terms</em>

Answer:
15
Step-by-step explanation:
just took the test. x=5 and the answer to the equation is 15
2.645751311 (I did it on a scientific calculator, so sorry if they wanted you to show the work..)
Answer:
1 solar radiationnnnnmnnmnnnnn
Answer:
The other angle would also measure 89°.