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document.write( "four times a first number decreased by a second number is -38. The first number increased by four times the second number is 16. Find all numbers \n" );
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Algebra.Com's Answer #444760 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! 4X-Y=-38 MULTIPLY BY 4 & ADD \n" ); document.write( "X+4Y=16 \n" ); document.write( "16X-4Y=-152 \n" ); document.write( "-------------------- \n" ); document.write( "17X=-136 \n" ); document.write( "X=-136/17 \n" ); document.write( "X=-8 ANS. \n" ); document.write( "4*-8-Y=-38 \n" ); document.write( "-32-Y=-38 \n" ); document.write( "-Y=-38+32 \n" ); document.write( "-Y=-6 \n" ); document.write( "Y=6 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "-8+4*6=16 \n" ); document.write( "-8+24=16 \n" ); document.write( "176=16 \n" ); document.write( " |