document.write( "Question 550661: 4(x+3)-3(3x+9)=11x-16x-15 \n" ); document.write( "
Algebra.Com's Answer #358961 by jim_thompson5910(35256)\"\" \"About 
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\"4%28x%2B3%29-3%283x%2B9%29=11x-16x-15\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"4x%2B12-9x-27=11x-16x-15\" Distribute.\r
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\n" ); document.write( "\n" ); document.write( "\"-5x-15=11x-16x-15\" Combine like terms on the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"-5x-15=-5x-15\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"-5x=-5x-15%2B15\" Add \"15\" to both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"-5x%2B5x=-15%2B15\" Add \"5x\" to both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"0x=-15%2B15\" Combine like terms on the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"0x=0\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"0=0\" Simplify.\r
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\n" ); document.write( "\n" ); document.write( "Since this equation is always true for any x value, this means x can equal any number. So there are an infinite number of solutions.
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