document.write( "Question 459692: You guys are great. Thank you so much for the assistance. \r
\n" ); document.write( "\n" ); document.write( "Solve the system by substitution\r
\n" ); document.write( "\n" ); document.write( "6x + 3y = -30\r
\n" ); document.write( "\n" ); document.write( "4x - 3y = -40\r
\n" ); document.write( "\n" ); document.write( "What is the solution of the system?
\n" ); document.write( "

Algebra.Com's Answer #315237 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
This system is begging to be solved by elimination.
\n" ); document.write( "add them
\n" ); document.write( "10x=-70
\n" ); document.write( "x=-7
\n" ); document.write( "-42+3y=-30
\n" ); document.write( "3y=12
\n" ); document.write( "y=4
\n" ); document.write( "
\n" ); document.write( "
\n" );