solve by the elimination method

Question

3r-5s=14

5r+3s=46

 

determine the solution of the system. select the correct choice below and, if necessary, fill in the answer box to complete your choice.

 

a) _ (type an ordered pair)

b) there are infinitely many solutions

c) there are no solutions

Answer 1

to solve by the elimination method, try multiplying each term of the first equation by 3/5.  Now, you can add the 2 equations, and the "s" term will be eliminated.

Then, the new equation can be solved for "r"