document.write( "Question 828324: The perimeter of a rectangle is 58 centimeters . The length of the rectangle is four less than twice the width of the rectangle. Find the length, the width, and the area of this rectangle. \n" ); document.write( "

Algebra.Com's Answer #499271 by TimothyLamb(4379) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "2x + 2y = 58
\n" ); document.write( "x = 2y - 4
\n" ); document.write( "---
\n" ); document.write( "put the system of linear equations into standard form:
\n" ); document.write( "---
\n" ); document.write( "2x + 2y = 58
\n" ); document.write( "x - 2y = -4
\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 length = 18 cm
\n" ); document.write( "y width = 11 cm
\n" ); document.write( "---
\n" ); document.write( "system matrix
\n" ); document.write( "2 2
\n" ); document.write( "1 -2
\n" ); document.write( "---
\n" ); document.write( "inverse of system matrix
\n" ); document.write( "0.33333333 0.33333333
\n" ); document.write( "0.16666667 -0.33333333
\n" ); document.write( "---
\n" ); document.write( "determinant of system matrix = -6
\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( "

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