document.write( "Question 708171: 16x+21=30+13x \n" ); document.write( "
Algebra.Com's Answer #435996 by jim_thompson5910(35256)\"\" \"About 
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\"16x%2B21=30%2B13x\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"16x=30%2B13x-21\" Subtract \"21\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"16x-13x=30-21\" Subtract \"13x\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"3x=30-21\" Combine like terms on the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"3x=9\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"x=%289%29%2F%283%29\" Divide both sides by \"3\" to isolate \"x\".\r
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\n" ); document.write( "\n" ); document.write( "\"x=3\" 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=3\"
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