document.write( "Question 178671: need help finding which equation you would use to isolate a variable.\r
\n" ); document.write( "\n" ); document.write( "4x-y=-6\r
\n" ); document.write( "\n" ); document.write( "-m+5n=16
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Algebra.Com's Answer #133644 by Mathtut(3670)\"\" \"About 
You can put this solution on YOUR website!
please re submit you have 4 variables and 2 equations. you cannot have any construtive isolation of any of the variables. perhaps you mistyped one of the equations...thanks Mathtut \n" ); document.write( "
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