document.write( "Question 1131388: 7x-my = 1
\n" ); document.write( "7y-mx = 1
\n" ); document.write( "which value of \"m\" will make the equation have one solution, and how many values of \"m\" can make it possible.
\n" ); document.write( "Also have to find which value for \"m\" will make the equation have infinitely solutions.
\n" ); document.write( "

Algebra.Com's Answer #748064 by Alan3354(69443)\"\" \"About 
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7x-my = 1
\n" ); document.write( "7y-mx = 1
\n" ); document.write( "which value of \"m\" will make the equation have one solution, and how many values of \"m\" can make it possible.
\n" ); document.write( "Also have to find which value for \"m\" will make the equation have infinitely solutions.
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\n" ); document.write( "7x-my = 1
\n" ); document.write( "7y-mx = 1
\n" ); document.write( "-----
\n" ); document.write( "Find the 2 slopes.
\n" ); document.write( "7x-my = 1
\n" ); document.write( "my = 7x - 1
\n" ); document.write( "y = (7/m)*x - 1/m
\n" ); document.write( "slope = 7/m
\n" ); document.write( "---
\n" ); document.write( "7y-mx = 1
\n" ); document.write( "7y = mx + 1
\n" ); document.write( "y = (m/7)*x + 1/7
\n" ); document.write( "slope = m/7
\n" ); document.write( "===============
\n" ); document.write( "The slopes are different for all values of m except m = 7.
\n" ); document.write( "--> 1 solution.
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\n" ); document.write( "Also have to find which value for \"m\" will make the equation have infinitely solutions.
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\n" ); document.write( "Infinite # of solutions --> coincident lines:
\n" ); document.write( "7x-my = 7y-mx
\n" ); document.write( "7x - 7y = my - mx
\n" ); document.write( "7(x-y) = m(y-x)
\n" ); document.write( "m = -7\r
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