parisellender parisellender

08-03-2018
Mathematics

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3x - 5y = 17 y = -7 Solve by substitution.

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sqdancefan sqdancefan

09-03-2018

Substitute the value of y given by the second equation into the first.
.. 3x -5(-7) = 17
.. 3x +35 = 17
.. 3x = -18
.. x = -6

The solution is (x, y) = (-6, -7).

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