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OpenStudy (anonymous):
How many solutions exist for the system y = 2x + 5 and y = -0.2x - 4?
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OpenStudy (anonymous):
Many solutions !!!
OpenStudy (anonymous):
Look : y = 2x + 5 y = -0.2x - 4 So we can say : 2x+5=-2/10x-4 and then have : 2x+2/10x=-9 2/2x=-9 Now find x . !
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