Question

Which of the following is a solution to the equation y=3x-1?

(4, 1)
(2, 5)
(4, 3)
(0, -3)

Answer 1

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The answer is (2, 5).

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• x = 2
• y = 5

y = 3x - 1

5 = 3(2) - 1

5 = 6 - 1

5 = 5

Answer 2

(2,5) is the correct solution.

Explanation:

u sub in 5 for y and 2 for x. 3•2 is 6 -1 = 5