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Solve the system of equations.
-4x+11y=15
x=2y

1 Answer

1 vote

Answer:

(10, 5 )

Explanation:

- 4x + 11y = 15 → (1)

x = 2y → (2)

substitute x = 2y into (1)

- 4(2y) + 11y = 15

- 8y + 11y = 15

3y = 15 ( divide both sides by 3 )

y = 5

substitute y = 5 into (2)

x = 2y = 2 × 5 = 10

solution is (10, 5 )

User Raymond Law
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