document.write( "Question 275008: Using the addition method
\n" ); document.write( "7x-4y=14
\n" ); document.write( "-7x+6y=11
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Algebra.Com's Answer #200663 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Start with the given system of equations:\r
\n" ); document.write( "\n" ); document.write( "\"system%287x-4y=14%2C-7x%2B6y=11%29\"\r
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\n" ); document.write( "\n" ); document.write( "Add the equations together. You can do this by simply adding the two left sides and the two right sides separately like this:\r
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\n" ); document.write( "\n" ); document.write( "\"%287x-4y%29%2B%28-7x%2B6y%29=%2814%29%2B%2811%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%287x%2B-7x%29%2B%28-4y%2B6y%29=14%2B11\" Group like terms.\r
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\n" ); document.write( "\n" ); document.write( "\"0x%2B2y=25\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "\"2y=25\" Simplify.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%2825%29%2F%282%29\" Divide both sides by \"2\" to isolate \"y\".\r
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\n" ); document.write( "\n" ); document.write( "\"7x-4y=14\" Now go back to the first equation.\r
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\n" ); document.write( "\n" ); document.write( "\"7x-4%2825%2F2%29=14\" Plug in \"y=25%2F2\".\r
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\n" ); document.write( "\n" ); document.write( "\"7x-50=14\" Multiply.\r
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\n" ); document.write( "\n" ); document.write( "\"7x=14%2B50\" Add \"50\" to both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"7x=64\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"x=%2864%29%2F%287%29\" Divide both sides by \"7\" to isolate \"x\".\r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x=64%2F7\" and \"y=25%2F2\".\r
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\n" ); document.write( "\n" ); document.write( "Which form the ordered pair .\r
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\n" ); document.write( "\n" ); document.write( "This means that the system is consistent and independent.\r
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