document.write( "Question 1138497: For what value of c does the following system have an infinite number of solutions:
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\n" ); document.write( "3x−y=10
\n" ); document.write( "9x−3y=c
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Algebra.Com's Answer #756300 by ikleyn(52786)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "I think, it would be useful to you to learn a general view from the lesson\r
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