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posted by Andrew Monday, January 3, 2011 at 1:12pm.
2x - y = 4 6x - 3y = 7 (a) y = 2x - 4 (b)No solution (c)x = 2, y = -4 (d)x = 2, y = 5/3
Multiply first equation by 3. 6x - 3y = 12 6x - 3y = 7 Does this make the answer clear?
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