How to Use Elimination to Solve a System of Two Linear Equations - apex 1. Identify as the best method for the problem.

2. Find a with equal or opposite coefficients in the
system

3. Add or subtract one
from the other.

4. the one-variable equation.

5. Substitute the value of that variable into the other

6. Solve for the second

7. Check your answer. Use and/or graphing

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!