Ask Question
25 February, 02:47

Solve the system by substitution.

y = - 2

10x + 2y = 40

+3
Answers (2)
  1. 25 February, 02:59
    0
    The answer would be 4.4
  2. 25 February, 03:03
    0
    Solution: (4.4, - 2)

    x = 4.4 and y = - 2

    Step-by-step explanation:

    y = - 2

    10x + 2y = 40

    Plug in for y.

    10x + 2 * (-2) = 40

    10x - 4 = 40

    10x = 40 + 4

    10x = 44

    x = 44/10

    x = 22/5 or x = 4.4
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Solve the system by substitution. y = - 2 10x + 2y = 40 ...” 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