document.write( "Question 125509: Solve the system by addition\r
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document.write( "-5x+2y=10 x-3y=11
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document.write( "Solve by substitution
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document.write( "2x+2y=0 y=4x+0 \n" );
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Algebra.Com's Answer #91945 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! -5x+2y=10 now multiply the other equation by 5 & add. \n" ); document.write( "5x-15y=55 \n" ); document.write( "------------------------ \n" ); document.write( "-13x=65 \n" ); document.write( "x=65/-13 \n" ); document.write( "x=-5 answer. \n" ); document.write( "--------------------------- \n" ); document.write( "y=4x+0 replace y in the other equation & solve for x. \n" ); document.write( "2x+2(4x-0)=0 \n" ); document.write( "2x+8x-0=0 \n" ); document.write( "10x=0 \n" ); document.write( "x=0 answer. \n" ); document.write( "y=4*0+0 \n" ); document.write( "y=0 answer. \n" ); document.write( " \n" ); document.write( " |