document.write( "Question 852656: x-y=-4 x+y=-4 \n" ); document.write( "
Algebra.Com's Answer #513546 by JulietG(1812)\"\" \"About 
You can put this solution on YOUR website!
X - y = -4
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\n" ); document.write( "If adding a number and subtracting a number yield the same result, then the number MUST be 0. If y is 0, then X MUST be -4.
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