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vekshin1
3 years ago
10

7x+5=-9 What does X equal?

Mathematics
1 answer:
stiks02 [169]3 years ago
6 0

Answer: x = -2

Step-by-step explanation: To solve for <em>x</em> in the equation you see here, our goal is to get <em>x</em> by itself.

Our first step will be to isolate the term containing <em>x </em>which in this case is 7x. To isolate 7x, we have to get rid of the +5 by subtracting 5 from both sides of the equation. On the left, +5 and -5 cancel out and we have 7x. On the right, -9 - 5 simplifies to -14.

Now we have the equation 7x = -14.

Now we divide both sides by 7 to get x = -2.

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sertanlavr [38]

Answer:

x is greater than -5

Step-by-step explanation:

3 0
3 years ago
The area of four walls of a rectangular room is 96m2 and its height is 4m.
Delicious77 [7]

Answer:

<h2>The answer is 56 m</h2>

Step-by-step explanation:

Perimeter of a rectangle = 2l + 2w

where

l is the length

w is the width

To find the area we must first find the length of the rectangle using it's area.

That's

Area = length × height

From the question

Area = 96 m²

height = 4 m

So we have

96 = 4l

Divide both sides by 4

length = 24 m

Now we have

Perimeter = 2(24) + 2(4)

= 48 + 8

We have the final answer as

<h3>56m</h3>

Hope this helps you

7 0
4 years ago
Don deposited $3,500 for 5 years on 2.40 pa interest rate in his savings account how much simple interest will he earn
Feliz [49]
3,500 (.024) = 84
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5 0
3 years ago
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VARVARA [1.3K]

Step-by-step explanation:

3 3/5 - 1 1/10

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Answer:

Step-by-step explanation:

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