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OpenStudy (anonymous):
Classify each system and determine the number of solutions. 10. 7x+y=13 28x+4y=-12 11. 2x-3y=-15 3y-2x=15 12. 8y-24=64 9y+45x=72
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OpenStudy (anonymous):
10. No solution--the lines are parallel
OpenStudy (anonymous):
11. Infinite solutions. All real numbers
OpenStudy (anonymous):
12. I'd say 1 solution. Y = 0.6
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