document.write( "Question 1117540: Complete each ordered pair so that it is a solution of the given linear equation.
\n" ); document.write( "x-4y=-7; ( ,5), (-15, ) \n" ); document.write( "

Algebra.Com's Answer #732650 by MathLover1(20850) $\"\"$ $\"About$

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given:
\n" ); document.write( " $\"x-4y=-7\"$ \r
\n" ); document.write( "\n" ); document.write( "( $\"x\"$ , $\"y\"$ )=( $\"x\"$ , $\"5\"$ ) => $\"y=5\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x-4y=-7\"$ ...substitute $\"y=5\"$
\n" ); document.write( " $\"x-4%2A5=-7\"$
\n" ); document.write( " $\"x-20=-7\"$
\n" ); document.write( " $\"x=20-7\"$
\n" ); document.write( " $\"x=13\"$ ->( $\"13\"$ , $\"5\"$ )\r
\n" ); document.write( "\n" ); document.write( "( $\"x\"$ , $\"y\"$ )=( $\"-15\"$ , $\"y\"$ ) => $\"x=-15\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x-4y=-7\"$ ...substitute $\"x=-15\"$
\n" ); document.write( " $\"-15-4y=-7\"$
\n" ); document.write( " $\"-15%2B7=4y\"$
\n" ); document.write( " $\"4y=-8\"$
\n" ); document.write( " $\"y=-2\"$ ->( $\"-15\"$ , $\"-2\"$ )\r
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