• Science & Mathematics >
  • Mathematics
  • Science & Mathematics >
  • Mathematics

For the following system, if you isolated y in the first equation to use the Substitution Method, what express?

  • Follow publicly
  • Follow privately
  • Unfollow
For the following system, if you isolated y in the first equation to use the Substitution Method, what expression would you substitute into the second equation? 2x + y = 8 −x − y ...show more
Best Answer
2x + y = 8
-x - y = -5

y = 8 - 2x
-x - (8 - 2x) = -5
x = 3
y = 2
  • 0
    0
  • Comment

Other Answers (2)

Relevance
  • Relevance
  • Rating
  • Oldest
  • Newest
  • Sue answered 3 years ago
    2x + y = 8
    2x - 2x +y = 8 - 2x
    y = 8 - 2x
    • 0
      0
    • Comment
  • answerING answered 3 years ago
    8 − 2x
    • 0
      0
    • Comment
  • For the following system, if you isolated y in the first equation to use the Substitution Method, what express?
    For the following system, if you isolated y in the first equation to use the Substitution Method, what expression would you substitute into the second equation?

    2x + y = 8
    −x − y = −5


    8 + 2x

    8 − 2x

    −8 − 2x

    −8 + 2x
    Sign In 

    to add your answer

2

Who is following this question?

    %
    BEST ANSWERS
    Member Since:
    Points: Points: Level
    Total Answers:
    Points this week:
    Follow
     
    Unfollow
     
    Block
     
    Unblock