document.write( "Question 332230: It says to use the elimination method for this problem but I don't understand what to do because it says the answers has not solution. Can someone please help. I am so confused.\r
\n" ); document.write( "\n" ); document.write( "2x+3y=15
\n" ); document.write( "8x+12y=40 \n" ); document.write( "
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It says to use the elimination method for this problem but I don't understand what to do because it says the answers has not solution. Can someone please help. I am so confused.
\n" ); document.write( "2x+3y=15
\n" ); document.write( "8x+12y=40 --> 2x + 3y = 10
\n" ); document.write( "---------------
\n" ); document.write( "The 1st eqn says 2x+3y = 15, the 2nd says it = 10.
\n" ); document.write( "It can't be both, so there's no solution, meaning there's no x&y that fit both equations.
\n" ); document.write( "If you graph these, you get 2 parallel lines. No intersection, no solution.
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\n" ); document.write( "Using elimination methods:
\n" ); document.write( "2x+3y=15
\n" ); document.write( "2x+3y=10
\n" ); document.write( "--------- Subtract
\n" ); document.write( "0 = 5 It's obvious something's not right --> no solution\r
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