document.write( "Question 819266: I need help with this problem:
\n" ); document.write( "One number added to twice another number is thirteen. Four times the first number added to twice the other number is negative two. Find the numbers.
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Algebra.Com's Answer #493004 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
a and b\r
\n" ); document.write( "\n" ); document.write( "4a+2b=-2
\n" ); document.write( "a+2b=13
\n" ); document.write( "subtract
\n" ); document.write( "3a=-15
\n" ); document.write( "a=-5
\n" ); document.write( "-5 +2b=13
\n" ); document.write( "2b=18
\n" ); document.write( "b=9
\n" ); document.write( "check
\n" ); document.write( "-20+18=-2
\n" ); document.write( "ok
\n" ); document.write( "check
\n" ); document.write( "-5+18=13
\n" ); document.write( "ok\r
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