document.write( "Question 684658: can you explain how to do theese problems\r
\n" ); document.write( "\n" ); document.write( "-20-(4x-1)=-15\r
\n" ); document.write( "\n" ); document.write( "12(x+3)- 3x=117\r
\n" ); document.write( "\n" ); document.write( "-25+4(2x+5)=-61\r
\n" ); document.write( "\n" ); document.write( "187+ 19=7 (13- x)
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Algebra.Com's Answer #424169 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"-20-1%284x-1%29=-15\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"-20-4x%2B1=-15\" Distribute.\r
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\n" ); document.write( "\n" ); document.write( "\"-4x-19=-15\" Combine like terms on the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"-4x=-15%2B19\" Add \"19\" to both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"-4x=4\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"x=%284%29%2F%28-4%29\" Divide both sides by \"-4\" to isolate \"x\".\r
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\n" ); document.write( "\n" ); document.write( "\"x=-1\" Reduce.\r
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\n" ); document.write( "\n" ); document.write( "Answer:\r
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\n" ); document.write( "\n" ); document.write( "So the solution is \"x=-1\" \r
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\n" ); document.write( "\n" ); document.write( "\"12%28x%2B3%29-3x=117\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"12x%2B36-3x=117\" Distribute.\r
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\n" ); document.write( "\n" ); document.write( "\"9x%2B36=117\" Combine like terms on the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"9x=117-36\" Subtract \"36\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"9x=81\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"x=%2881%29%2F%289%29\" Divide both sides by \"9\" to isolate \"x\".\r
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\n" ); document.write( "\n" ); document.write( "\"x=9\" Reduce.\r
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\n" ); document.write( "\n" ); document.write( "Answer:\r
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\n" ); document.write( "\n" ); document.write( "So the solution is \"x=9\"
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