Ask Question
17 February, 04:34

W many solutions does this linear system have? y = 2x - 5 - 8x - 4y = - 20

+4
Answers (1)
  1. 17 February, 04:38
    0
    Using substitution

    -8x-4 (2x-5) = - 20

    -8x-8x+20=-20

    -16x+20=-20

    -16x=-40

    x=2.5

    Plug x into one of the original equations.

    y=2 (2.5) - 5

    y=5-5

    y=0

    Final answer: 1 solution (2.5, 0)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “W many solutions does this linear system have? y = 2x - 5 - 8x - 4y = - 20 ...” 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