document.write( "Question 157751: 8a-4(-5a-2)=12a \n" ); document.write( "
Algebra.Com's Answer #116231 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"8a-4%28-5a-2%29=12a\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"8a%2B20a%2B8=12a\" Distribute.\r
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\n" ); document.write( "\n" ); document.write( "\"28a%2B8=12a\" Combine like terms on the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"28a=12a-8\" Subtract \"8\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"28a-12a=-8\" Subtract \"12a\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"16a=-8\" Combine like terms on the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"a=%28-8%29%2F%2816%29\" Divide both sides by \"16\" to isolate \"a\".\r
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\n" ); document.write( "\n" ); document.write( "\"a=-1%2F2\" 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 answer is \"a=-1%2F2\" which in decimal form is \"a=-0.5\".
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