Ask Question
17 June, 03:20

What is the solution to this system of linear equations? y - 4x = 7 2y + 4x = 2 (3, 1) (1, 3) (3, - 1) (-1, 3)

+3
Answers (1)
  1. 17 June, 03:45
    0
    Y - 4x = 7 ... y = 4x + 7

    now sub 4x + 7 in for y in the other equation

    2y + 4x = 2

    2 (4x + 7) + 4x = 2

    8x + 14 + 4x = 2

    12x = 2 - 14

    12x = - 12

    x = - 1

    y - 4x = 7

    y - 4 (-1) = 7

    y + 4 = 7

    y = 7 - 4

    y = 3

    solution is : (-1,3)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “What is the solution to this system of linear equations? y - 4x = 7 2y + 4x = 2 (3, 1) (1, 3) (3, - 1) (-1, 3) ...” 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