document.write( "Question 168252: 2x-5y=11, 4x+10y=18 \n" ); document.write( "

Algebra.Com's Answer #124197 by jojo14344(1513) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"2x-5y=11\"$ ---------------> A
\n" ); document.write( " $\"4x%2B10y=18\"$ --------------> B
\n" ); document.write( "In A:
\n" ); document.write( " $\"5y=2x-11\"$ ----> $\"cross%285%29y%2Fcross%285%29=%282x-11%29%2F5\"$
\n" ); document.write( " $\"y=%282%2F5%29x-%2811%2F5%29\"$ ; y-intercept $\"-11%2F5\"$
\n" ); document.write( "f(y)=0:
\n" ); document.write( " $\"%282%2F5%29x=%2811%2F5%29\"$ ---> $\"cross%282%2F5%29x%2Fcross%282%2F5%29=%2811%2F5%29%2F%282%2F5%29\"$
\n" ); document.write( " $\"x=%2811%2Fcross%285%29%29%28cross%285%29%2F2%29=11%2F2\"$
\n" ); document.write( "In B:
\n" ); document.write( " $\"10y=-4x%2B18\"$ ---> $\"cross%2810%29y%2Fcross%2810%29=%28-4x%2B18%29%2F10\"$
\n" ); document.write( " $\"y=%28-4%2F10%29x%2B%2818%2F10%29\"$
\n" ); document.write( "Reduced: $\"y=%28-2%2F5%29x%2B%289%2F5%29\"$ ; y-intercept $\"9%2F5\"$
\n" ); document.write( "f(y)=0:
\n" ); document.write( " $\"%282%2F5%29x=9%2F5\"$ ---> $\"cross%282%2F5%29x%2Fcross%282%2F5%29=%289%2F5%29%2F%282%2F5%29\"$
\n" ); document.write( " $\"x=%289%2Fcross%285%29%29%28cross%285%29%2F2%29=9%2F2\"$
\n" ); document.write( "See graph:
\n" ); document.write( "

----->RED Line (11/2,-11/5)>>> A; GREEN Line (9/2,9/5) >>>> B
\n" ); document.write( ".
\n" ); document.write( "Thank you,
\n" ); document.write( "Jojo\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );