document.write( "Question 122997: all parallel lines have the same slope, and not all systems of equations have a common solution. Is this True or False? \n" ); document.write( "
Algebra.Com's Answer #90255 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
True
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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