OpenStax, Algebra and Trigonometry 2e §11.1 Systems of Linear Equations: Two Variables · Exercise 65 · Algebra · Systems
Systems of Linear Equations: Two Variables · Exercise 65
Use a system of linear equations with two variables and two equations to solve.
Find two numbers whose sum is 28 and difference is 13.
OpenStax, Algebra and Trigonometry 2e · §11.1 Systems of Linear Equations: Two Variables · Exercise 65
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