document.write( "Question 317542: Solve each system by the addition method. Determine whether
\n" ); document.write( "the equations are independent, dependent, or inconsistent\r
\n" ); document.write( "\n" ); document.write( "3x – 2.5y = 7.125
\n" ); document.write( "2.5x – 3y = 7.3125\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #227471 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
1.\"3x-%285%2F2%29y=57%2F8\"
\n" ); document.write( "2.\"%285%2F2%29x-3y=117%2F16\"
\n" ); document.write( "Multipy both equations by 16 first.
\n" ); document.write( "1.\"48x-40y=114\"
\n" ); document.write( "2.\"40x-48x=117\"
\n" ); document.write( "Multiply eq. 1 by (5) and eq. 2 by (-6) and add them,
\n" ); document.write( "\"240x-200y-240x%2B288y=570-702\"
\n" ); document.write( "\"88y=-132\"
\n" ); document.write( "\"y=-132%2F88\"
\n" ); document.write( "\"highlight%28y=-3%2F2%29\"
\n" ); document.write( "Then use either equation to solve for x,
\n" ); document.write( "\"48x-40%28-3%2F2%29=114\"
\n" ); document.write( "\"48x%2B60=114\"
\n" ); document.write( "\"48x=54\"
\n" ); document.write( "\"x=54%2F48\"
\n" ); document.write( "\"highlight%28x=9%2F8%29\"
\n" ); document.write( "This system has one solution. It's indepedent.
\n" ); document.write( "
\n" );