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AysviL [449]
3 years ago
8

5x - x = -12 what is x???

Mathematics
2 answers:
Lana71 [14]3 years ago
6 0

Answer: The answer is -3.

aleksley [76]3 years ago
3 0
X would equal -3. 5x-3 would equal -15, and 2 negatives would equal a positive. So, -15+3 would equal -12.
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Brad says that if a second number is 125% of the first number than the second number must be 75% of the second number is he corr
elena-s [515]

Answer:

Incorrect.

Step-by-step explanation:

Let, the first number is x, and the second number is y. Given, the second number is 125% of the first number. So, the equation will be

y = 1.25 x

Or, y= 5/4x

Now, multiplying it with 4/5, we get, x= 4/5y

Or, x= 0.80 y

But, Brad is saying the first number must be 75% of the second number. But here we see that the first number is 80% of the second number. That's why Brad is incorrect.

5 0
2 years ago
3x−8 ≤ 23 OR −4x+26≥6 find x
ElenaW [278]

Answer:

3x-8<=23

3x<=23+8

3x< =31

X< = 10.3

or

-4x+26>=6

-4x>=-20

X>=5

6 0
3 years ago
Help me with this please
qwelly [4]
The fraction is written as 3/4.
If you divide 3 by 4 you will get the decimal.


8 0
3 years ago
What’s the constant 15-8y?
IgorC [24]

Answer:

15

Step-by-step explanation:

3 0
3 years ago
Not right answer... Help
Igoryamba

Answer: -6

Step-by-step explanation:

3 0
3 years ago
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