Ask Question
10 April, 19:03

Find the solution set for the system of equations.

9x + 5y = 28

5x + 9y = 56

+2
Answers (1)
  1. 10 April, 19:05
    0
    9x + 5y = 28 ⇒ 81x + 45y = 252

    5x + 9y = 56 ⇒ 25x + 45y = 280

    56x = - 28

    56 56

    x = ⁻¹/₂

    9x + 5y = 28

    9 (⁻¹/₂) + 5y = 28

    4¹/₂ + 5y = 28

    - 4¹/₂ - 4¹/₂

    5y = 23¹/₂

    5 5

    y = 4⁷/₁₀

    (x, y) = 4¹/₂, 4⁷/₁₀)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Find the solution set for the system of equations. 9x + 5y = 28 5x + 9y = 56 ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers