OpenStax, Algebra and Trigonometry 2e §11.1 Systems of Linear Equations: Two Variables · Exercise 66 · Algebra · Systems
Systems of Linear Equations: Two Variables · Exercise 66
Use a system of linear equations with two variables and two equations to solve.
A number is 9 more than another number. Twice the sum of the two numbers is 10. Find the two numbers.
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OpenStax, Algebra and Trigonometry 2e · §11.1 Systems of Linear Equations: Two Variables · Exercise 66
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