document.write( "Question 245562: Solve the system by the elimination method
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document.write( "5x+5y=-7
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document.write( "7x-2y=13
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document.write( "Can someone please help me with this? \n" );
document.write( "
Algebra.Com's Answer #179360 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 5x+5y=-7 multiply by 2 \n" ); document.write( "7x-2y=13 multiply by 5 & add. \n" ); document.write( "10x+10y=-14 \n" ); document.write( "35x-10y=65 \n" ); document.write( "------------- \n" ); document.write( "45x=51 \n" ); document.write( "x=51/45 \n" ); document.write( "x=17/15 ans. \n" ); document.write( "5*17/15+5y=-7 \n" ); document.write( "17/3+5y=-7 \n" ); document.write( "5y=-7-17/3 \n" ); document.write( "5y=-21/3-17/3 \n" ); document.write( "5y=-38/3 \n" ); document.write( "y=(-38/3)/5 \n" ); document.write( "y=-38/3*1/5 \n" ); document.write( "y=-38/15 ans. \n" ); document.write( " \n" ); document.write( " |