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What is the x-intercept of the equation -7x+3y=21

What is the x-intercept of the equation -7x+3y=21
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What is the x-intercept of the equation -7x+3y=21

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User Ramprasad
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7.4k points

2 Answers

4 votes

i needddd help the answer choices are -

a. ((0, 3)

b. (0, 7)

c. (3, 0)

d. (7, 0)

answered
User Hectorcanto
by
8.2k points
3 votes
Hello!!

Well, the x-intercept is found when y = 0, so plug in y = 0:

-7x + 3(0) = 21
-7x = 21
x = -3

Therefore, the x-intercept of -7x + 3y = 21 is -3.

Hope this helps!! Let me know if you have ANY questions.
answered
User Ross Pace
by
8.4k points
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