document.write( "Question 412190: solve by the elimination method
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document.write( "5x+5y=-7
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document.write( "7x-3y=17\r
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document.write( "The solution is? \n" );
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Algebra.Com's Answer #289571 by njusa(12)![]() ![]() ![]() You can put this solution on YOUR website! 5x+5y=-7... a \n" ); document.write( "7x-3y=17... b\r \n" ); document.write( "\n" ); document.write( "15x+15y=-21 ... 3*a \n" ); document.write( "35x-15y=85 .... 5*b\r \n" ); document.write( "\n" ); document.write( "50x = 64 .... a+b \n" ); document.write( "x = 32/25\r \n" ); document.write( "\n" ); document.write( "substitute this back into a and you will get the y. check by subtituting both x and y into b. \n" ); document.write( " |