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OpenStudy (anonymous):
classify each syastem and determine the number of solutions 12x + 3y = -9 -y - 4x = 3
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OpenStudy (anonymous):
If you rewrite equation two as -4x -y = 3 and multiply both sides by -3 then it is the same as the first equation.
OpenStudy (anonymous):
true. thanks :)
OpenStudy (anonymous):
In other words, it's a dependent system. see: http://www.brightstorm.com/math/algebra/solving-systems-of-equations/inconsistent-and-dependent-systems-of-equations/
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