document.write( "Question 828307: You and your friend are selling raffle tickets for a new laptop. You sell 14 more tickets than your friend sells. Together, you and your friend sell 58 tickets.
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document.write( "a. Write a system of linear equations that represents this situation.
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document.write( "b. How many tickets do each of you sell? \n" );
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Algebra.Com's Answer #499221 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! --- \n" ); document.write( "x = you sold \n" ); document.write( "y = friend sold \n" ); document.write( "--- \n" ); document.write( "x + y = 58 \n" ); document.write( "x = y + 14 \n" ); document.write( "--- \n" ); document.write( "put the system of linear equations into standard form: \n" ); document.write( "--- \n" ); document.write( "x + y = 58 \n" ); document.write( "x - y = 14 \n" ); document.write( "--- \n" ); document.write( "copy and paste the above linear system in standard form into this matrix-method solver: \n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( "--- \n" ); document.write( "solution: \n" ); document.write( "x = you sold = 36 \n" ); document.write( "y = friend sold = 22 \n" ); document.write( "--- \n" ); document.write( "system matrix \n" ); document.write( "1 1 \n" ); document.write( "1 -1 \n" ); document.write( "--- \n" ); document.write( "inverse of system matrix \n" ); document.write( "0.5 0.5 \n" ); document.write( "0.5 -0.5 \n" ); document.write( "--- \n" ); document.write( "determinant of system matrix = -2 \n" ); document.write( "--- \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve quadratic equations, quadratic formula: \n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables: \n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( " \n" ); document.write( " |