Ask Question
24 November, 05:57

What is the solution to the linear system y=-5x-21 and y=7x+15

+1
Answers (2)
  1. 24 November, 07:54
    0
    (-3,-6)

    Step-by-step explanation:

    Compair, then solve for x=-3

    then solve you should get y=-6
  2. 24 November, 08:37
    0
    (-3, - 6).

    Step-by-step explanation:

    Since both expressions in x are equal to y:

    -5x - 21 = 7x + 15

    -12x = 36

    x = - 3.

    Plug x = - 3 into the first equation:

    y = - 5*-3 - 21

    = 15 - 21

    y = - 6.

    y =
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “What is the solution to the linear system y=-5x-21 and y=7x+15 ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers