document.write( "Question 870760: Determine whether the system of linear equations has one and only one solution, infinitely many solutions, or no solution.
\n" ); document.write( "2x − y= −5
\n" ); document.write( "4x − 2y = 6\r
\n" ); document.write( "\n" ); document.write( "Is there one and only one solution?
\n" ); document.write( "infinitely many solutions ? Or no solution?\r
\n" ); document.write( "\n" ); document.write( "Find the solution, if one exists.(If there are infinitely many solutions, express x and y in terms of the parameter t. If there is no solution, enter NO SOLUTION.) \n" ); document.write( "

Algebra.Com's Answer #525122 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "2x − y= −5  |multiplying thru by -2 to  eliminate the y variable by adding the Eqs 
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document.write( "4x − 2y = 6
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document.write( "-4x + 2y= 10
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document.write( "4x − 2y = 6
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document.write( "   0 ≠ 4   There is NO Solution \n" );
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