document.write( "Question 919037: 2X+3y-5=0
\n" ); document.write( "X-Y+2=0
\n" ); document.write( "-X-2Y=-3 \n" ); document.write( "
Algebra.Com's Answer #557433 by Alan3354(69443)\"\" \"About 
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2X+3y-5=0
\n" ); document.write( "X-Y+2=0
\n" ); document.write( "-X-2Y=-3
\n" ); document.write( "-------------
\n" ); document.write( "There are 3 eqns in only 2 variables.
\n" ); document.write( "They might not have a single intersection/solution.
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\n" ); document.write( "X-Y+2=0
\n" ); document.write( "X-Y = -2
\n" ); document.write( "-X-2Y=-3
\n" ); document.write( "---------- Add
\n" ); document.write( "-y = -5
\n" ); document.write( "y = 5
\n" ); document.write( "x = 3
\n" ); document.write( "--------
\n" ); document.write( "Check if (3,5) is a solution to the 1st eqn:
\n" ); document.write( "2X+3y-5=0
\n" ); document.write( "2*3 + 3*5 - 5 =? 0
\n" ); document.write( "It isn't.
\n" ); document.write( "----
\n" ); document.write( "You can find a solution for each pair of eqns --> 3 solutions.\r
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