document.write( "Question 116667: solve for x and y\r
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\n" ); document.write( "\n" ); document.write( "x=12-y 5x+2y=12
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Algebra.Com's Answer #84830 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
x=12-y now substitute (12-y) for x in the other eqaution & solve for y
\n" ); document.write( "5(12-y)+2y=12
\n" ); document.write( "60-5y+2y=12
\n" ); document.write( "-3y=12-60
\n" ); document.write( "-3y=-48
\n" ); document.write( "y=-48/-3
\n" ); document.write( "y=16 answer.
\n" ); document.write( "x=12-16
\n" ); document.write( "x=-4 answer.
\n" ); document.write( "proof
\n" ); document.write( "5*-4+2*12=12
\n" ); document.write( "-20+24=12
\n" ); document.write( "12=12
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