document.write( "Question 147457: is (15,-6) is ordered pair or solution?\r
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Algebra.Com's Answer #107833 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"-3y=x%2B3\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"-3%2A%28-6%29=%2815%29%2B3\" Plug in \"x=15\" and \"y=-6\".\r
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\n" ); document.write( "\n" ); document.write( "\"18=%2815%29%2B3\" Evaluate and simplify the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"18=18\" 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 (15,-6) is a solution.\r
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\n" ); document.write( "\n" ); document.write( "\"2y=4x-72\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"2%2A%28-6%29=4%2A%2815%29-72\" Plug in \"x=15\" and \"y=-6\".\r
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\n" ); document.write( "\n" ); document.write( "\"-12=4%2A%2815%29-72\" 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 (15,-6) is a solution.\r
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\n" ); document.write( "\n" ); document.write( "Since all of the equations of the system are true, this means that (15,-6) is a solution\r
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