document.write( "Question 919866: if 5x - 3y = 7 and -3x - 5y = 23 what is the value of x?\r
\n" ); document.write( "\n" ); document.write( "my answer choices are:
\n" ); document.write( "A. (-1,-4)
\n" ); document.write( "B. (-4,-1)
\n" ); document.write( "C. -4
\n" ); document.write( "D. -1\r
\n" ); document.write( "\n" ); document.write( "I tried using substitution but I do not get any of the above answers so I am stuck.
\n" ); document.write( "

Algebra.Com's Answer #558011 by richard1234(7193)\"\" \"About 
You can put this solution on YOUR website!
If (x,y) = (-1, -4), you have 5(-1) - 3(-4) = 7 and -3(-1) - 5(-4) = 23, both of which are true statements. So x = -1. \n" ); document.write( "
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