document.write( "Question 1022191: At what point does the line with the equation y=2x+3 intersect with the line with the equation y=-1/2x-7 \n" ); document.write( "
Algebra.Com's Answer #637949 by macston(5194)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "y=2x+3 (RED LINE on graph)
\n" ); document.write( "(-1/2)x-7=y (GREEN LINE on graph)
\n" ); document.write( ".
\n" ); document.write( "Intersection when:
\n" ); document.write( ".
\n" ); document.write( "2x+3=(-1/2)x-7:
\n" ); document.write( "2.5x=-10
\n" ); document.write( "x=-4
\n" ); document.write( ".
\n" ); document.write( "y=2x+3
\n" ); document.write( "y=2(-4)+3
\n" ); document.write( "y=-8+3
\n" ); document.write( "y=-5
\n" ); document.write( "Intersection at (-4,-5)
\n" ); document.write( ".
\n" ); document.write( "CHECK:
\n" ); document.write( "y=(-1/2)x-7
\n" ); document.write( "y=(-1/2)(-4)-7
\n" ); document.write( "y=2-7
\n" ); document.write( "y=-5
\n" ); document.write( ".
\n" ); document.write( "\"+graph%28+500%2C+500%2C+-10%2C+10%2C+-10%2C+10%2C+2x%2B3%2C+%28-1%2F2%29x-7%29+\" \n" ); document.write( "
\n" );