document.write( "Question 321899: what is the solution of the following system of linear equations? \r
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document.write( "x + 2y = -7
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document.write( "x = y + 23\r
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document.write( "a. (11,-10)\r
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document.write( "b. (13, -10)\r
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document.write( "c. (13, 10)\r
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document.write( "d. (10, -13) \n" );
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Algebra.Com's Answer #230440 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x + 2y = -7 \n" ); document.write( "x = y + 23 \n" ); document.write( ".. \n" ); document.write( "x+2y=-7 \n" ); document.write( "x-y=23 \n" ); document.write( "subtract one from another to eliminate x \n" ); document.write( "x+2y-x+y=-7-23 \n" ); document.write( "3y=-30 \n" ); document.write( "y=-10 \n" ); document.write( ".. \n" ); document.write( "Plug the value of y in any equation above \n" ); document.write( "x-(-10)=23 \n" ); document.write( "x+10=23 \n" ); document.write( "x=13 \n" ); document.write( " |