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OpenStudy (anonymous):
Which of the following equations has the solution set {0}? -14m- 7m+ 1 = -7m+ 1 -14m+ 7m+ 1 = -7m+ 2 14m- 7m- 1 = -7m+ 1
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OpenStudy (cwrw238):
just plug m = 0 into each equation and see if both sides of '=' is the same
OpenStudy (anonymous):
It is the first one: after simplifying it it is: -14m = 0 => m = 0; 2nd one is: 1-7m = 2 - 7m 3th give you result of m = 1/7
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