document.write( "Question 51656: I have the following problem; Which of the ordered pairs (3,1), (0, -4), (-4,0),(-3,-7) are solutions to the equation x-y=4? My answer is (0,-4) and (-3,-7), is this correct? \n" ); document.write( "
Algebra.Com's Answer #34460 by rchill(405)\"\" \"About 
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Yes, that's correct. The process is to substitute each value of x into the equation to see what the value of y becomes. Only the two ordered pairs you state provide valid answers. \n" ); document.write( "
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