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3 years ago

How do i solve x + 6/x = -7

Mathematics

2 answers:

DiKsa [7]3 years ago

8 0

Answer:

???

Step-by-step explanation:

Ⓗⓘ ⓣⓗⓔⓡⓔ

Well, either you typed in something wrong, or this has no solutions.

(っ◔◡◔)っ ♥ Hope this helped! Have a great day! :) ♥

BTW, brainliest would be greatly appreciated, I only need one more before I advance, thanks!

BaLLatris [955]3 years ago

6 0

Answer: -1

Step-by-step explanation:

if what you are trying to say is that the problem is x+6 and x = -7

then your answer would be -1.

Sorry if this is wrong but i didn't fully understand the way you asked.

Hope it helped though :)

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4^x-4^x-1=24,then find (2x)^x

DENIUS [597]

Answer: 5²⁻⁵

Step-by-step explanation:

$4^x-4^{x-1}=24\\\\\\3(4^{x-1})=24\\\\\\4^{x-1}=8\\\\\\2^{2(x-1)}=2^3\\\\\\2(x-1)=3\\\\\\x-1=\dfrac{3}{2}\\\\\\x=\dfrac{5}{2}\quad \rightarrow x=2.5$

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3 years ago

Enter your answer and show all the steps that you use to solve this problem in the space provided

VashaNatasha [74]

Answer: x = -4, x = 5

Step-by-step explanation:

You can use the substitution method for this problem.

y = $x^{2}$ + 2x, but y also = 3x +20.

Because of this, you can determine that $x^{2}$ +2x = 3x + 20 because they are both equal to the same thing, y.

Solve the quadratic equation you got from substitution:

$x^{2}$ + 2x = 3x + 20

$x^{2}$ -x = 20

$x^{2}$ -x -20 = 0

You can factor this equation:

(x+4)(x-5) = 0

x = -4, x = 5

5 0

3 years ago

Solve for t: t + 7 = 21 A: t= 28 B: t= 14 C: t= -28 D: t= -14

tatiyna

t + 7 = 21

---Subtract 7 from both sides

t + 7 - 7 = 21 - 7

t = 14

Hope this helps!! :)

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