document.write( "Question 1136542: Evaluate 3b−2a−9 when a=12 and b=7\r
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Algebra.Com's Answer #754311 by ikleyn(52909)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Substitute a= 12 and b= 7 into the expression\r
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\n" ); document.write( "\n" ); document.write( " 3*7 - 2*12 - 9\r
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\n" ); document.write( "\n" ); document.write( "and calculate it on your own.\r
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