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i do not understand how to solve this:

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2 Answers

M/-7 -14=2

+14      = +14. Add 14 to both sides

m/-7=16

*-7    =*-7.    opposite operation. Multiply both sides by -7. 

m= -122

[(m/-7)-14 ] = 2 ---> (m/-7)=16 ---> -m = 112 or m = -112 ~GregoryM. L