document.write( "Question 556310: 3(x-7) \n" ); document.write( "
Algebra.Com's Answer #362111 by jim_thompson5910(35256)\"\" \"About 
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3(x-7)\r
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\n" ); document.write( "\n" ); document.write( "3(x)+3(-7)\r
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\n" ); document.write( "\n" ); document.write( "3x-21\r
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\n" ); document.write( "\n" ); document.write( "So 3(x-7) completely simplifies to 3x-21\r
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\n" ); document.write( "\n" ); document.write( "In other words, 3(x-7) = 3x-21
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