Sunday, March 16, 2014

Precalculus, Chapter 7, 7.1, Section 7.1, Problem 24

Express y from the first equation: y=(2/3)x+2, and substitute it into the second equation:
2x-3y = 2x-2x-6=6, or
-6=6, which is a contradiction.
The answer: this system has no solutions.

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