document.write( "Question 642034: Can you show me the solution for this please?\r
\n" );
document.write( "\n" );
document.write( "Solve for x & y: 2x-3y=-1 , x+2y=24
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #403937 by DrBeeee(684)![]() ![]() ![]() You can put this solution on YOUR website! Since you said please, I'll do it. \n" ); document.write( "(1) 2x - 3y = -1 \n" ); document.write( "(2) x + 2y = 24 \n" ); document.write( "Solve (2) for x and substitute into (1) to get \n" ); document.write( "(3) 2(24 - 2y) - 3y = -1 \n" ); document.write( "Simplify (3) to get \n" ); document.write( "(4) 48 - 4y - 3y = -1 or \n" ); document.write( "(5) 7y = 49 or \n" ); document.write( "(6) y = 7 \n" ); document.write( "Put (6) into (2) to get \n" ); document.write( "(7) x + 2*7 = 24 or \n" ); document.write( "(8) x = 24 - 14 or \n" ); document.write( "(9) x = 10 \n" ); document.write( "Check your answer using (1). \n" ); document.write( "Is (2*10 - 3*7 = -1)? \n" ); document.write( "Is (20 - 21 = -1)? \n" ); document.write( "Is ( -1 = -1)? Yes \n" ); document.write( "Answer: The solution pair is (10,7) \n" ); document.write( " |