<PRE><B>Question 989031</B>
-3a+6(a-2b)+a-7(a-2b)=pa+sb where p and s are integers find the value of (2p-4s). Thanks for your help. 
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-3a+a-7a -12b + 14b = pa + sb
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-9a + 2b = pa + sb
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p = -9
s = 2
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Ans: 2p-4s = -18-8 = -26
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Cheers,
Stan H.
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