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2  + 2/9= (-4/5 )m

2 + 2/9  =  20/9      so we have

20 / 9  =  ( - 4 / 5 )  m         multiply both sides by  -5 / 4

( 20 / 9 ) ( - 5 / 4)  = m

-100 / 36  = m            reduce

-25 / 9   = m