document.write( "Question 147726: is x=4 a solution to the equation 2x+4=8+x? \n" ); document.write( "
Algebra.Com's Answer #108125 by jim_thompson5910(35256)\"\" \"About 
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\"2x%2B4=8%2Bx\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"2%2A%284%29%2B4=8%2B%284%29\" Plug in \"x=4\".\r
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\n" ); document.write( "\n" ); document.write( "\"12=8%2B%284%29\" Evaluate and simplify the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"12=12\" Evaluate and simplify the right side.\r
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\n" ); document.write( "\n" ); document.write( "Since the equation is true, this means that x=4 is a solution.
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