Ask Question
14 December, 06:39

Solve using substitution.

8x + 5y = 4

x = 3

What is x and y?

+3
Answers (2)
  1. 14 December, 06:52
    0
    Answer: x = 3 : y = - 4

    Step-by-step explanation:

    8x + 5y = 4

    8 (3) + 5y = 4

    5y = 4 - 8 (3)

    5y = 4 - 24

    5y = - 20

    (5y) / 5 = - 20/5

    y = - 4
  2. 14 December, 07:08
    0
    Answer: y=-4

    Step-by-step explanation:

    8 (3) + 5y=4

    24+5y=4

    subtract each side by 24

    5y=-20

    divide by 5

    5 y=-4
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Solve using substitution. 8x + 5y = 4 x = 3 What is x and y? ...” 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