document.write( "Question 551050: graph of y=2x +4. Then graph the equation to check your answer y=3x-9 \n" ); document.write( "

Algebra.Com's Answer #359348 by oberobic(2304) $\"\"$ $\"About$

You can put this solution on YOUR website!
The lines will cross where:
\n" ); document.write( "2x + 4 = 3x -9
\n" ); document.write( "-x = -13
\n" ); document.write( "x = 13
\n" ); document.write( ".
\n" ); document.write( "y = 2*13 + 4 = 30
\n" ); document.write( "y = 3*13 - 9 = 30
\n" ); document.write( ".
\n" ); document.write( "The red line is y = 2x+4.
\n" ); document.write( "The green line is y = 3x-9.
\n" ); document.write( "They intersect at (13,30).
\n" ); document.write( ".
\n" ); document.write( " $\"+graph%28500%2C500%2C-10%2C20%2C-10%2C40%2C2%2Ax%2B4%2C3%2Ax-9%29+\"$ \n" ); document.write( "

\n" );