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melomori [17]
2 years ago
13

-3x -3 = 2x + 7. Will mark brainlest

Mathematics
2 answers:
Marysya12 [62]2 years ago
8 0

Answer: x=−2

Step-by-step explanation: Step 1: Subtract 2x from both sides.

−3x−3−2x=2x+7−2x

−5x−3=7

Step 2: Add 3 to both sides.

−5x−3+3=7+3

−5x=10

Step 3: Divide both sides by -5.

−5x/-5=10/-5

krok68 [10]2 years ago
4 0

Answer:

- 3x - 3 = 2x + 7 \\ 2x + 3x =  - 7 - 3 \\ 5x =  - 10 \\ x =  \frac{( - 10)}{5}  \\  \boxed{x =  - 2}

<h3><u>x=-2</u> is the right answer.</h3>
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What is the answer to -4.3g=25.8
8090 [49]
G=-6
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7 0
3 years ago
5/8 - 3/10 <br> A. 13/40 <br> B. 1/20 <br> C. 1/4<br> D. 1/5
densk [106]

5/8 - 3/10

Find the common denominator:

Multiples of 8:  8, 16, 24, 32, 40 (8 x 5 = 40)

Multiples of 10: 10, 20, 30, 40  (10 x 4 = 40)


5/8 = 5*5 / 8*5 = 25/40

3/10 = 3*4 / 10 *4 = 12/40


Now you have 25/40 - 12/40

25 -12 = 13

Answer = 13/40


The answer is A.

7 0
2 years ago
Read 2 more answers
How to find the surface area of a triangular prism using net?
Mazyrski [523]

A net is a pattern made when the surface of a three-dimensional figure or solid is laid out flat showing each face of the figure. It is then possible to use the net to calculate the surface area of the solid.

Surface Area of a Cube using Nets

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8 0
3 years ago
PLEASE HELP WILL GIVE BRANILYEST
Ivahew [28]

No because to get a proportional relationship you have to add the same number to all x to get y

8 0
3 years ago
i need help. Semir, Sarah, and SungSo decided to raise money for a local homeless shelter by working in a local deli. The deli a
IgorLugansk [536]
According to the question, 
Let,
"n" represent the number of miles semir walked.
"y" represent the number of miles sarah walked.
Now, according to the question,

y = 2n - 5  ........................this is your equation 
Also,
the question states, each of them collect $18 in pledges for every miles walked.

Given,
Sarah collected $450
Now, 

Using unitary method,

Sarah collects $18 for 1 mile
Sarah collects $1 for (1 / $18) mile
Sarah collects $450 for (1 / 18) * 450 mile
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So, Sarah walks 25 miles.
Now,
Taking equation,
y = 2n - 5
Since, y is the no. of miles sarah walked, we can write 25 in place of "y" So,
(25) = 2n - 5
25 + 5 = 2n
30 = 2n
30 / 2 = n
15 = n

Since, "n" is the no. of miles that semir walked, Semir walked 15 miles.


7 0
3 years ago
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