document.write( "Question 252406: Solve the following system of equations for x:\r
\n" ); document.write( "\n" ); document.write( "2x + y = 10
\n" ); document.write( "3x = y
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Algebra.Com's Answer #184298 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Note: Since \"3x=y\", this means that \"y=3x\"\r
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\n" ); document.write( "\n" ); document.write( "\"2x+%2B+y+=+10\" Start with the first equation.\r
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\n" ); document.write( "\n" ); document.write( "\"2x+%2B+3x+=+10\" Plug in \"y=3x\"\r
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\n" ); document.write( "\n" ); document.write( "\"5x=10\" Combine like terms on the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"x=%2810%29%2F%285%29\" Divide both sides by \"5\" to isolate \"x\".\r
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\n" ); document.write( "\n" ); document.write( "\"x=2\" 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=2\"\r
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\n" ); document.write( "\n" ); document.write( "Note: if you need to find 'y' as well, simply plug \"x=2\" into \"y=3x\" to find its value.
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