document.write( "Question 479699: how do u simplify the following expression 3x(-2y+7)+3x \n" ); document.write( "
Algebra.Com's Answer #328663 by Tatiana_Stebko(1539)\"\" \"About 
You can put this solution on YOUR website!
\"3x%28-2y%2B7%29%2B3x=3x%28-2y%2B7%2B1%29=3x%28-2y%2B8%29=3x%2A%28-2%29%28y-4%29=-6x%28y-4%29\"
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