document.write( "Question 900708: I am suppose to solve the systems of equations by elimination and I don't understand it. Here is my problem.
\n" ); document.write( "X+y=-6
\n" ); document.write( "2x-y=3
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Algebra.Com's Answer #546090 by mananth(16946)\"\" \"About 
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1 x + 1 y = -6 .............1
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\n" ); document.write( "2 x -1 y = 3 .............2
\n" ); document.write( "Eliminate y
\n" ); document.write( "multiply (1)by 1
\n" ); document.write( "Multiply (2) by 1
\n" ); document.write( "1 x 1 y = -6
\n" ); document.write( "2 x -1 y = 3
\n" ); document.write( "Add the two equations
\n" ); document.write( "3 x = -3
\n" ); document.write( "/ 3
\n" ); document.write( "x = -1
\n" ); document.write( "plug value of x in (1)
\n" ); document.write( "1 x + 1 y = -6
\n" ); document.write( "-1 + y = -6
\n" ); document.write( " y = -6 + 1
\n" ); document.write( " y = -5
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