document.write( "Question 111983: Hi I am trying to figure out how to solve this equation:
\n" ); document.write( "3x = 6y = 0
\n" ); document.write( "x = 2/3
\n" ); document.write( "I can either solve it by substitution or additon.\r
\n" ); document.write( "\n" ); document.write( "What I think should be done is to first substitute the x=2/3 into the first problem.
\n" ); document.write( "So, now I have 3 and 2/3 = 6y= 0
\n" ); document.write( "then I can make the 3 and 2/3 into an improper fraction so I now have
\n" ); document.write( "11/3 + 6=0
\n" ); document.write( "If I subtract the 11/3 from both sides I then have
\n" ); document.write( "6y= -11/3
\n" ); document.write( "The 11/3 is also a fraction 3.6 and repeating.
\n" ); document.write( "If I divide by 6 to isolate the y I then have
\n" ); document.write( "y= -0.6
\n" ); document.write( "Is there a better way to approach this problem so I don't get stuck with a negative decimal as I will still have to go back in and replace the y with the
\n" ); document.write( "-0.6
\n" ); document.write( "If I do the problem like I showed then I come up with x = - 1.2\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #81685 by stanbon(75887) $\"\"$ $\"About$

You can put this solution on YOUR website!
You have two equal signs in the 1st equation.
\n" ); document.write( "Should you?
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

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