document.write( "Question 822249: Use elimination to solve:
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document.write( "3x+2y=7
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document.write( "Y=4x-2 \n" );
document.write( "
Algebra.Com's Answer #494721 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! --- \n" ); document.write( "3x + 2y = 7 \n" ); document.write( "y = 4x -2 \n" ); document.write( "--- \n" ); document.write( "put the system of linear equations into standard form \n" ); document.write( "--- \n" ); document.write( "3x + 2y = 7 \n" ); document.write( "4x - y = 2 \n" ); document.write( "--- \n" ); document.write( "first solve by matrix method: \n" ); document.write( "--- \n" ); document.write( "copy and paste the above standard form linear equations in to this solver: \n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( "--- \n" ); document.write( "answer: \n" ); document.write( "x= 1 \n" ); document.write( "y= 2 \n" ); document.write( "--- \n" ); document.write( "now solve by elimination: \n" ); document.write( "--- \n" ); document.write( "3x + 2y = 7 \n" ); document.write( "8x - 2y = 4 \n" ); document.write( "--- \n" ); document.write( "add: \n" ); document.write( "11x = 11 \n" ); document.write( "--- \n" ); document.write( "answer (same as matrix method): \n" ); document.write( "x = 1 \n" ); document.write( "y = 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( " |