<PRE><B>Question 190475</B>
If P = 2y – 6xy – 3x 
then 2P = 4y-12xy-6x
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and Q = 4 – 5y
so 3Q = 12 - 15y
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find 2P – 3Q and simplify the answer.
3P - 3Q = (4y-12xy-6x)-(12-15y) = 4y+15y -12xy -6x -12
= 19y -12xy - 6x - 12
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Cheers,
Stan H. </PRE>