document.write( "Question 928203: How would I solve x +5y=18 and 3x+2y=-11 by the elimination method
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Algebra.Com's Answer #563525 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! x + 5y = 18 \n" ); document.write( "3x + 2y = -11 \n" ); document.write( "--- \n" ); document.write( "put the system of linear equations into standard form \n" ); document.write( "--- \n" ); document.write( "x + 5y = 18 \n" ); document.write( "3x + 2y = -11 \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 = 5 \n" ); document.write( "--- \n" ); document.write( "now by elimination: \n" ); document.write( "--- \n" ); document.write( "-3(x + 5y = 18) \n" ); document.write( "3x + 2y = -11 \n" ); document.write( "--- \n" ); document.write( "-3x - 15y = -54 \n" ); document.write( "3x + 2y = -11 \n" ); document.write( "--- \n" ); document.write( "add the two equations: \n" ); document.write( "--- \n" ); document.write( "-13y = -65 \n" ); document.write( "y = 5 \n" ); document.write( "x + 5y = 18 \n" ); document.write( "x = 18 - 5y \n" ); document.write( "x = 18 - 5*5 \n" ); document.write( "x = -7 \n" ); document.write( "--- \n" ); document.write( "solution by elimination: \n" ); document.write( "x = -7 \n" ); document.write( "y = 5 \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( " |