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IgorC [24]
3 years ago
12

1 - (2n + 9) = 4(1-2)

Mathematics
2 answers:
Vikki [24]3 years ago
6 0

Answer:

n=-2

Step-by-step explanation:

1−(2n+9)=4(1−2)

1+−1(2n+9)=4(1−2)

1+−1(2n)+(−1)(9)=4(1−2)

1+−2n+−9=4(1−2)

1+−2n+−9=−4

(−2n)+(1+−9)=−4

−2n+−8=−4

−2n−8=−4

−2n−8+8=−4+8

−2n=4

Divide both sides by -2

-2n/2=4/-2

n=-2

Natalija [7]3 years ago
5 0

Answer:

n = -2

Step-by-step explanation:

remove () from equation so its 1-2n-9=4× -1

calculate the differences and multiply

-8-2n=-4

move the constant to the right of the equation  -2n=-4+8

calculate the sum -2n=4 divide both sides of equation by -2  

and boom n=-2

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Answer:

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Step-by-step explanation:

5 0
2 years ago
Find the coordinates of the midpoint of the segment with the given pair of endpoints. J(6, 6); K(2, –4)
Levart [38]

Answer:

(4,1)

Step-by-step explanation:

let J(6,6) be x1, y1

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3 0
3 years ago
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Talja [164]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
Find the surface area of this prism please (no links please)
horsena [70]

Answer:

192 ft^2

Step-by-step explanation:

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4 0
2 years ago
The formula for calculating n!! what ?
otez555 [7]

Answer:

Formula of n!= n×(n-1)!

6 0
2 years ago
Read 2 more answers
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