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aksik [14]
3 years ago
13

Solve for x. x + 8 = 12

Mathematics
2 answers:
spayn [35]3 years ago
8 0
X=12-8
X=4
X is equal to 4
VashaNatasha [74]3 years ago
4 0

Answer:

Step-by-step explanation:

move constant to the right and change the sign

X=12-8

X=4

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Write a proof for the conjecture using the contrapositive. <br> If 5x + 7 = -13, then x = -4.
KonstantinChe [14]

Answer:

ans x=4

Step-by-step explanation:

  • 5x + 7 = -13
  • 5x = -13 -7
  • 5x= -20
  • x = -20/5
  • x = -4
  • so the answer is x= -4
3 0
3 years ago
Which represents the solution set to the inequality 5.1(3 + 2.2x) &gt; –14.25 – 6(1.7x + 4)?
Nina [5.8K]

1. Simplify the inequality 5.1(3 + 2.2x) > -14.25 - 6(1.7x + 4):

15.3+11.22x>-14.25-10.2x-24,\\&#10;15.3+11.22x>-10.2x-38.75.

2. Separate terms with x and without x in different sides:

11.22x+10.2x>-38.75-15.3.

3. Add similar terms:

21.42x>-54.05.

4. Divide by 21.42:

x>-\dfrac{54.05}{21.42} ,\\ \\x>-2.5.

Answer: correct choice is C.

4 0
3 years ago
Read 2 more answers
The answer please I need the answers
enyata [817]

Answer:

I think you need to multiply 12 and 7 and then cut that in half

7 0
4 years ago
Subtract.(x + 1) − (−2x − 5) A) 6 − x
Inga [223]
Your answer would be D) 3x + 6
This is because, when you subtract the like terms, you get x - -2x, which is 3x, and 1 - -5, which is 6.

I hope this helps!
6 0
4 years ago
Read 2 more answers
20 percent as a mixed number
Genrish500 [490]
Percent means parts out of 100
20%=20/100=2/10=1/5
a mixed number is a fraction over 1 expressed in the form (whole number) and (fraction part)

since this is less than one, it techinally is not a mixed number but we can do this
0 and 1/5
5 0
4 years ago
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