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OpenStudy (anonymous):
describe how two different ways to use elimination to solve the system {3x-4y=-1 5x+4y=-5
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OpenStudy (anonymous):
*how to use
OpenStudy (anonymous):
first try adding the two equations together: 3x - 4y = -1 + (5x + 4y) = -5
OpenStudy (anonymous):
okay
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