document.write( "Question 412861: What are the steps to solve a system?
\n" );
document.write( "Here's the example:
\n" );
document.write( "x-2y=-7
\n" );
document.write( "5y=5x+20
\n" );
document.write( "I Have tried canceling out the -2y and 5y or 5x and x but I didn't get the answer right.
\n" );
document.write( "I Need the answer and steps so i know how to do this problem on my own when i have a test.
\n" );
document.write( "Please :) \n" );
document.write( "
Algebra.Com's Answer #289893 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! x-2y=-7 \n" ); document.write( "5y=5x+20 \n" ); document.write( "------ \n" ); document.write( "Solving by elimination: \n" ); document.write( "x - 2y = -7 \n" ); document.write( "x - y = -4 \n" ); document.write( "-------- \n" ); document.write( "Subtract and solve for \"y\": \n" ); document.write( "y = 3 \n" ); document.write( "---- \n" ); document.write( "Now solve for \"x\": \n" ); document.write( "x - 2y = -7 \n" ); document.write( "x -2(3) = -7 \n" ); document.write( "x-6 = -7 \n" ); document.write( "x = -1 \n" ); document.write( "----- \n" ); document.write( "Solution: (-1,3) \n" ); document.write( "===================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "===================== \n" ); document.write( " |