document.write( "Question 1352: how do u solve 3x +15 when x=12
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Algebra.Com's Answer #310417 by solver15(27)\"\" \"About 
You can put this solution on YOUR website!
3x +15 when x=12\r
\n" ); document.write( "\n" ); document.write( "plug in the 12 to x
\n" ); document.write( "3(12)+15
\n" ); document.write( "36+15
\n" ); document.write( "=51
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