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25-10-2018
Mathematics

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3m - (7m+12) =2 (m-3)

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Аноним Аноним

25-10-2018

remove parentheses
3m - 7m+12 = 2 m-3

collect like terms
3m-7m-12 = 2m-6

move terms
-4m - 12 = 2m-6

collect the like terms and calculate
-4m-2m = -6+12

divide both sides by -6
-6m=6

m= -1

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