document.write( "Question 726630: \r
\n" ); document.write( "\n" ); 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
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Algebra.Com's Answer #444760 by checkley79(3341)\"\" \"About 
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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
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