document.write( "Question 672804: 15x=16y=-410
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document.write( "x+y=-26\r
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document.write( "how do i solve this by elimination? \n" );
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Algebra.Com's Answer #418310 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 15x+16y =-410 \n" ); document.write( "x + y =-26 \n" ); document.write( "================== \n" ); document.write( "Multiply thru the bottom equqtion by 15: \n" ); document.write( "15x + 16y = -410 \n" ); document.write( "15x + 15y = 15*-26 \n" ); document.write( "------------------ \n" ); document.write( "Subtract and solve for \"y\": \n" ); document.write( "y = -20 \n" ); document.write( "-------------- \n" ); document.write( "Solve for \"x\": \n" ); document.write( "x + y = -26 \n" ); document.write( "x - 20 = -26 \n" ); document.write( "x = -6 \n" ); document.write( "=================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=================== \n" ); document.write( " \n" ); document.write( " |