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

Help pls. Solve the system of linear equations by substitution.-example-1
User Taegost
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1 Answer

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).

User Tim Edwards
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