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OpenStudy (anonymous):
How many solutions are there to the following system of equations? -2x + 2y = 8 9x - 9y = 36
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OpenStudy (anonymous):
no solutions 9(-2x+2y= 8) --> -18x+18y=72 2(9x-9y=30) --> 18x-18y=60 everything cancels!!
OpenStudy (anonymous):
looking at the graph, they are parallel lines
OpenStudy (anonymous):
well in my question is has multiply choices. So, is zero or an infinitely many?
OpenStudy (anonymous):
zero solutions
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