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ArbitrLikvidat [17]
3 years ago
7

X + 3 = 15 Solve the equation and check for the solution

Mathematics
2 answers:
dangina [55]3 years ago
3 0

Answer:

x=12

Step-by-step explanation:

move the 3 to the other side to get x by itself.

check: 12 + 3 = 15

Alex17521 [72]3 years ago
3 0

Answer:

(Not sure)

x = 12

Step-by-step explanation:

x + 3 = 15

CLT

X = 15-3

× = 12

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Solve for x
andrew11 [14]

Answer:

D

Step-by-step explanation:

For example,

5×7-10>20

5(-3)-10<15

4 0
3 years ago
Can anyone help me with this? i dont understand it, thank you.
valina [46]

Answer:

3(x + 2) = 2(x + 2) \\ 3x + 6 = 2x + 4 \\ 3x - 2x = 4 - 6 \\ x =  - 2

4 0
3 years ago
7 apples cost $5. How many apples can i buy with $8?
brilliants [131]

Answer:

7 Bc ur gonna b to broke to buy some more

Step-by-step explanation:

8-5

7 0
3 years ago
Whats the answer for w^5+4w^4+10w^3+40w^2
Mazyrski [523]

Answer:

w^2*(w+4)*(w^2+10)

Step-by-step explanation:

w^5+4w^4+10w^3+40w^2

w^2*(w^3+4w^2+10w+40)\w^2*(w^2*(w+4)+10(w+4))

w^2*(w+4)*(w^2+10)

6 0
3 years ago
Read 2 more answers
On the first day of​ June, there were about 17.71 h of daylight in a city. Five months​ later, there were about 5.30 h of daylig
Andru [333]

Answer:

Percentage increases and decreases, are found by setting the problem up proportionally.

 

You are trying to find what percentage of 17.37 is 8.30 first.

 

so What %/100 = 8.30/17.37

 

Now define a variable:

 

Let x = What%  

 

x/100 = 8.30/17.37

17.37x = 830

x = 830/17.37

x ≈ 47.78

 

8.30 is approximately 47.78% of 17.37, so the percentage decrease is 100% - 47.78% = 52.22%

The percentage decrease is approximately 52.22%

7 0
3 years ago
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