Answer: 
Step-by-step explanation:
Step 1: Subtract 8 from both sides: 

Step 2: Divide both sides by 7: 
Get your answer: 
The answer is 247.000. Hope this helps.
Answer: 
Step-by-step explanation:
Using the same-side interior angles theorem,
.
Using the alternate interior angles theorem, 
:( sorry idk to this question