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umka21 [38]
2 years ago
6

if you multiply the number by 2 and add 4, then result you get will be the same as three times the number decreased by 7.​

Mathematics
1 answer:
liraira [26]2 years ago
5 0

Answer:

Step-by-step explanation:

Let the number be x,

2x+4 = 3x-7

Collect like terms

2x-3x= -4-7

-x =. -11

Multiply both sides by -1

x. =. 11

PLEASE MARK BRAINLIEST.

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elixir [45]
Since it is a rectangular prism, the front and back are the same. the sides are the same and the top and bottom are the same. You would find the area of the front and back first. Since they both have the same measurements, you can find the area of one of the faces and multiply by 2.
A=BH
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So the front and back's area is 30. Now you find the area of both sides. They are both rectangle so the formula is A=BH.
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Now you find the area of the top and bottom. It is also a rectangle so you will use the same formula.
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This surface area of this rectangle prism is 78.
4 0
3 years ago
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andreyandreev [35.5K]

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Will mark as brainliest if correct
lana [24]

Answer:

wala sa choices ang sagot.

ANS: 128

EXPLANATION

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