SOLUTION: This problem has to be solved using "Cramers Rule". Eugene and Cameron started from the same location and drove in opposite directions. After 3 hours they were 354 miles apart.

Question 437050: This problem has to be solved using "Cramers Rule".
Eugene and Cameron started from the same location and drove in opposite directions. After 3 hours they were 354 miles apart. If they had gone in the same direction, Eugene would have been 18 miles ahead of Cameron. How fast did each drive?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
If they drove in opposite directions 3Eugene+3Cameron=354;same direction 3Eugene-3Cameron=18
--------------
3E+3C=354
3E-3C=_18
6E=372
E=62
C=56

Solved by pluggable solver: Linear System solver (using determinant)

Solve:

Any system of equations:

has solution

(x=62, y=56}

.
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