exam Maths Puzzle Numerical Ability

31=-1/6m
multiply both sides by -6
-1/6m X -6 = 1m
-6 X 31 =-186
m= -186

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exam Other Question

what is the product of xy:
in Triangle ABC where C is a right angle
AC= 8
D is a point on line segment AB
AB is X
DB is Y
CD intersects with AB to form a right angle
CD= 6 3(x+2)-5=2x+7