document.write( "Question 149291: Solve the system of equations.
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document.write( "1.25x – 2y = 1.3125
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document.write( "x + 2y = –0.75\r
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document.write( "A) {(1.75, 1.5)}
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document.write( "B) {(0.75, 0)}
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document.write( "C) {(0.25, –0.5)}
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document.write( "D) {(1.75, –0.5)} \n" );
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Algebra.Com's Answer #109512 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Solve the system of equations. \n" ); document.write( "1.25x – 2y = 1.3125 \n" ); document.write( "x + 2y = –0.75 \n" ); document.write( "------------------------ \n" ); document.write( "Add the two equations to get: \n" ); document.write( "2.25x = 0.5625 \n" ); document.write( "x = 0.25 \n" ); document.write( "------------------ \n" ); document.write( "Substitute to solve for \"y\": \n" ); document.write( "0.25 + 2y = -0.75 \n" ); document.write( "2y = -1 \n" ); document.write( "y = -1/2 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |