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6-134.

What is the point of intersection of the graph of each set of equations below? Use any method and show your work. Check your solutions, if possible.


Try the substitution method.

Solve for , then solve for .


  1. Use elimination method.




  1. Either the elimination or substitution method would work well here. Be sure to solve for and check the solution.


  1. Use the equal values method and then eliminate the fraction by multiplying each term by .