Help pls. Solve the system of linear equations by substitution.

asked May 10, 2023 54.4k views

19 votes

7.3k points

Please log in or register to add a comment.

6 votes

Answer:

(5, 3)

Explanation:

$x = 17 - 4y \\ y = x - 2$

Substitute x into y:

$y = (17 - 4y) - 2 \\ y = 15 - 4y \\ y + 4y = 15 \\ 5y = 15 \\ y = 3$

Substitute y into x:

$y = x - 2 \\ 3 = x - 2 \\ 3 + 2 = x \\ x = 5$

Therefore your answer is (5, 3).

Tim Edwards answered May 16, 2023

7.9k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.0m questions

11.6m answers