Ask Question
25 May, 11:37

Solve by using substitution. SHOW YOUR WORK. y=-2x - 1

y = 8x + 19

+4
Answers (1)
  1. 25 May, 11:53
    0
    Answer: x = - 2; y = 3

    Step-by-step explanation:

    y=-2x - 1

    y = 8x + 19 -

    replacing "y"

    -2x - 1 = 8x + 19

    -2x - 8x = 19 + 1

    -10x = 20

    x = 20/-10

    x = - 2

    y=-2x - 1

    y = - 2. (-2) - 1

    y = 4 - 1

    y = 3
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Solve by using substitution. SHOW YOUR WORK. y=-2x - 1 y = 8x + 19 ...” 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