Madhu P. answered 09/03/14
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Maths tutor believing Mathematics is Fun and Fundamental
-2/3(6-2a) =6
Multiplying both sides by -3/2 we get,
(6-2a) = -6*3/2
i.e 6-2a = -9
or -2a = -9-6
or a = (-15)/(-2) = 7.5