document.write( "Question 153359: Cn you please help me solve this system of equations?
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document.write( "3x-y=5
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document.write( "2x-3y=-6 \n" );
document.write( "
Algebra.Com's Answer #112884 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 3x-y=5 \n" ); document.write( "2x-3y=-6 \n" ); document.write( "-------------- \n" ); document.write( "Multiply thru the 1st equation by 3 to get: \n" ); document.write( "9x - 3y = 15 \n" ); document.write( "2x - 3y = -6 \n" ); document.write( "---------------- \n" ); document.write( "Subtract the 2nd equation from the 1st to get: \n" ); document.write( "7x = 21 \n" ); document.write( "x = 3 \n" ); document.write( "----------------- \n" ); document.write( "Substitute into 3x-y = 5 to solve for Y: \n" ); document.write( "3*3 -y = 5 \n" ); document.write( "y = 4 \n" ); document.write( "------------ \n" ); document.write( "Final solution: \n" ); document.write( "x =3; y = 4 \n" ); document.write( "================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |