document.write( "Question 547050: 2y=2x-2
\n" ); document.write( "x=y+1 \n" ); document.write( "
Algebra.Com's Answer #356191 by mananth(16946)\"\" \"About 
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-2 x + 2 y = -2 .............1
\n" ); document.write( "1 x -1 y = 1 .............2
\n" ); document.write( "Eliminate y
\n" ); document.write( "multiply (1)by 1
\n" ); document.write( "Multiply (2) by 2
\n" ); document.write( "-2 x 2 y = -2
\n" ); document.write( "2 x + -2 y = 2
\n" ); document.write( "Add the two equations
\n" ); document.write( "0 x = 0\r
\n" ); document.write( "\n" ); document.write( "there are infinite solutions
\n" ); document.write( "if you draw the graph of the lines the lines coincide.
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