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# Maths (help)

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1. The line joining (c,4) to (7,6) has a gradient -1/4
q) work out value of d

so I did 6-4 over 7-c which = -1/4

2 over 7-c = -1/4

How did get of the division? x but what?
2. anyone?
3. (Original post by samantham999)
anyone?
Do you need to find value c?

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4. (Original post by Mme_Bonii)
Do you need to find value c?

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yes
5. (Original post by samantham999)
x
Multiply both sides by (7-c). You can do anything in maths so long as you do it to both sides of the equation.
6. (Original post by samantham999)
yes

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7. thanks the answer in the textbook says 4 1/3
8. (Original post by samantham999)
thanks the answer in the textbook says 4 1/3
4 1/3, whaaat? How come?

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9. (Original post by Mme_Bonii)
4 1/3, whaaat? How come?

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Yup, if c was not at the bottom then the question would be easy but i dont know what to do because how do you x -1/4(7-c)
10. (Original post by samantham999)
Yup, if c was not at the bottom then the question would be easy but i dont know what to do because how do you x -1/4(7-c)

Do you mean this? I hope you get something from what I sent you😅😅

(Does x stand for multiplication?)

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