document.write( "Question 964820: What is the x-coordinate of the ordered pair solution of the system below?\r
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document.write( "x-3y=9
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document.write( "5x+2y=11\r
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document.write( "A) -3
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document.write( "B) -2
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document.write( "C) 2
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document.write( "D) 3 \n" );
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Algebra.Com's Answer #589629 by macston(5194)![]() ![]() You can put this solution on YOUR website! x-3y=9 \n" ); document.write( "x=3y+9 Use to substitute for x. \n" ); document.write( "5x+2y=11 Substitute for x from above. \n" ); document.write( "5(3y+9)+2y=11 \n" ); document.write( "15y+45+2y=11 \n" ); document.write( "17y=-34 \n" ); document.write( "y=-2 \n" ); document.write( "x-3y=9 \n" ); document.write( "x-3(-2)=9 \n" ); document.write( "x+6=9 \n" ); document.write( "x=3 \n" ); document.write( "ANSWER: x=3 Choice (D.) \n" ); document.write( " |