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04-05-2016
Mathematics

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solve the equation -1/3m-7=5

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04-05-2016

The Equation:    -1/3 m - 7 = 5

Please watch me closely.

Add 7 to each side:    -1/3 m = 12

Multiply each side by 3 : -1 m = 36

Multiply each side by -1 :    m    = -36

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