<PRE><B>Question 449374</B>
x=4y-12
2x-3y=6
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2(4y-12)-3y=6
8y-24-3y=6
5y=30
y=6
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2x-3*6=6
2x-18=6
2x=24
x=12
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-12-12=-4*6</PRE>