document.write( "Question 924689: How to solve by elimination: 5x-7y=-28 2x-2y=-12\r
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document.write( "How to solve by elimination 9x-9y=0 6x-2y=-20 \n" );
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Algebra.Com's Answer #561065 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! 5x-7y=-28 \n" ); document.write( "2x-2y=-12 \n" ); document.write( "--- \n" ); document.write( "put the system of linear equations into standard form \n" ); document.write( "--- \n" ); document.write( "5x-7y=-28 \n" ); document.write( "2x-2y=-12 \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( "solution: \n" ); document.write( "x = -7 \n" ); document.write( "y = -1 \n" ); document.write( "--- \n" ); document.write( "by elimination: \n" ); document.write( "(5x-7y=-28)*(2) \n" ); document.write( "(2x-2y=-12)*(-7) \n" ); document.write( "add the resulting equations, eliminating the y term. \n" ); document.write( "solve for x \n" ); document.write( "plug x into either equation and solve for y \n" ); document.write( "--- \n" ); document.write( "--- \n" ); document.write( "9x-9y=0 \n" ); document.write( "6x-2y=-20 \n" ); document.write( "--- \n" ); document.write( "put the system of linear equations into standard form \n" ); document.write( "--- \n" ); document.write( "9x-9y=0 \n" ); document.write( "6x-2y=-20 \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( "solution: \n" ); document.write( "x = -5 \n" ); document.write( "y = -5 \n" ); document.write( "--- \n" ); document.write( "by elimination: \n" ); document.write( "(9x-9y=0)*(2) \n" ); document.write( "(6x-2y=-20)*(-9) \n" ); document.write( "add the resulting equations, eliminating the y term. \n" ); document.write( "solve for x \n" ); document.write( "plug x into either equation and solve for y \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( " |