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30-09-2020
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What is the x-intercept of the equation 7x + 3y = 21?

Respuesta :

30-09-2020

Answer:

(3, 0)

Explanation:

x-intercept is when the graph crosses the x-axis when y = 0.

Step 1: Write equation

7x + 3y = 21

Step 2: Set y = 0

7x + 3(0) = 21

7x = 21

x = 3

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