document.write( "Question 171128: please help me solve this 2x+6y=0 -2x-5y=0 \n" ); document.write( "

Algebra.Com's Answer #126342 by jojo14344(1513) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"2x%2B6y=0\"$ , EQN 1
\n" ); document.write( " $\"-2x-5y=0\"$ , EQN 2
\n" ); document.write( "In EQN 1:
\n" ); document.write( " $\"-2x=6y\"$ ----> $\"cross%28-2%29x%2Fcross%28-2%29=cross%286%293y%2Fcross%28-2%29\"$
\n" ); document.write( " $\"x=-3y\"$ , subst. in EQN 2:
\n" ); document.write( " $\"-2%28-3y%29-5y=0\"$
\n" ); document.write( " $\"6y-5y=0\"$
\n" ); document.write( " $\"highlight%28y=0%29\"$ , subst. in EQN 1:
\n" ); document.write( " $\"2x%2B6%2A0=0\"$
\n" ); document.write( " $\"2x=0\"$
\n" ); document.write( " $\"highlight%28x=0%29\"$
\n" ); document.write( "We'll see the graph:
\n" ); document.write( "

\n" ); document.write( "---> RED >>> $\"2x%2B6y=0\"$ ; GREEN >>>> $\"-2x-5y=0\"$
\n" ); document.write( ".
\n" ); document.write( "Thank you,
\n" ); document.write( "Jojo
\n" ); document.write( " \n" ); document.write( "

\n" );