OpenStax, Elementary Algebra 2e §5.2 Solving Systems of Equations by Substitution · Exercise 43 · Algebra · Systems
Solving Systems of Equations by Substitution · Exercise 43
Translate to a system of equations and solve.
The perimeter of a rectangle is 84. The length is 10 more than three times the width. Find the length and width.
OpenStax, Elementary Algebra 2e · §5.2 Solving Systems of Equations by Substitution · Exercise 43
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