document.write( "Question 83905: 5a=a need to know formula for this answer missed math class today and i am having trouble thanks \n" ); document.write( "
Algebra.Com's Answer #60381 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"5a=a\"\r
\n" ); document.write( "\n" ); document.write( "\"5a-a=cross%28a-a%29\" Subtract a from both sides\r
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\n" ); document.write( "\n" ); document.write( "\"4a=0\" Combine like terms\r
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\n" ); document.write( "\n" ); document.write( "\"cross%284%2F4%29a=0%2F4\" Divide both sides by 4\r
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\n" ); document.write( "\n" ); document.write( "So this is our answer\r
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\n" ); document.write( "\n" ); document.write( "\"a=0\"\r
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\n" ); document.write( "\n" ); document.write( "Check:\r
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\n" ); document.write( "\n" ); document.write( "\"5%280%29=0\" Plug in a=0\r
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\n" ); document.write( "\n" ); document.write( "\"0=0\" works
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