document.write( "Question 87361: If 3x=y and y=12. Then what is x? \n" ); document.write( "
Algebra.Com's Answer #63284 by jim_thompson5910(35256)\"\" \"About 
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\"3x=y\" \"y=12\"\r
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\n" ); document.write( "\n" ); document.write( "\"3x=12\" Plug in \"y=12\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=4\" Divide both sides by 3
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