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If the system of equations,3x(a+1)+9y(2-a)=30 and 2x(2-a)+3y(2a-1)=10 has infinite solutions,what is the value of a?
a)1 b)0 c)5 d)2 e) -1 f) -5
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if systems of equations,3x(a+1)+9y(2-a)=30 and 2x(2-a) +3y(2a-1)=10,has infinite solutions,what is the value of a?
a)1 b)0 c)2 d)-1 e)-5 f)-2