document.write( "Question 923969: [The sum of the ages of Sam and Thomas is 27 years. Seven years ago Thomas was 3 years more than one-fourth as old as Sam. Find their present ages.]
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Algebra.Com's Answer #560521 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! x = sam age \n" ); document.write( "y = thomas age \n" ); document.write( "--- \n" ); document.write( "x + y = 27 \n" ); document.write( "y - 7 = (1/4)(x - 7) + 3 \n" ); document.write( "--- \n" ); document.write( "put the system of linear equations into standard form \n" ); document.write( "--- \n" ); document.write( "x + y = 27 \n" ); document.write( "y - 7 = (1/4)(x - 7) + 3 \n" ); document.write( "y - 7 = 0.25x - 7/4 + 3 \n" ); document.write( "-0.25x + y = 10 - 7/4 \n" ); document.write( "-0.25x + y = 40/4 - 7/4 \n" ); document.write( "-0.25x + y = 33/4 \n" ); document.write( "--- \n" ); document.write( "x + y = 27 \n" ); document.write( "-0.25x + y = 8.25 \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 = sam age = 15 \n" ); document.write( "y = thomas age = 12 \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( " |