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My name is Ann [436]
3 years ago
15

Simplify the expression -2(3z-4y)-z

Mathematics
1 answer:
Alex17521 [72]3 years ago
4 0
Multiply -2 by 3z and -4y
-6z + 8y -z
subtract z from -6z
-7z + 8y should be your answer
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Salsk061 [2.6K]
In looking at it I would guess it is asking which of the points is on the line? To answer that you would have to take each point an plug it into the equation and see if it is true.

3x - 7 = y

A(9,20)  
3(9) - 7 = 20
27 - 7 = 20
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B(5,0)
3(5) - 7 = 0
15 - 7 = 0
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C(3,2)
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I hope this helps
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34kurt

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The answer you are looking for is B. 70.69

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