Question 543071
 
    ( 4 - 1 )M = - 2/5

      ( 3 )M = -2/5

      SIMPLIFY FIRST BY REMOVING THE BRACKET

       3M = -2/5

       CROSS - MULTIPLY

       - 2 = 5 X 3M

        - 2 = 15M

        DIVIDE BOTH SIDES BY 15

        -2/15 = M 

   THEREFORE.. M = - 2/15