A is the answer for the first and the second one is 1/3.HERE ARE URE ANSWERS
Answer:
multiply the top equation by -5, then add the equations
Step-by-step explanation:
First you can turn the fractions into improper fractions.
5 3/4 = 23/4 6 3/4= 27/4
Add numerators, denominators stay the same.
23 + 27= 50
50/4
You can either leave it or simplify
Simplified:
50/4 = 12 1/2
:)
The answer is 120 degrees
Consider this option/solution.
P.S. The method of solution is Gauss' method.