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1 year ago

-2(x+12)=-x-14 what is the answer to this equation?

Mathematics

2 answers:

vampirchik [111]1 year ago

5 0

here are the steps i'd take. if anything is unclear, let me know and i can explain!

-2(x+12)=-x-14

let's open the parentheses on the left side

-2x-24=-x-14

and let's move variables to one side and numbers to the other.

-x=10

let's multiply each side by -1 to get positive x

x=-10

hope i helped! good luck.

shusha [124]1 year ago

4 0

Answer: if you want to know what x is then x = -10

Step-by-step explanation:

−2(x+12)=−x−14

Use the distributive property to multiply −2 by x+12.

−2x−24=−x−14

Add x to both sides.

−2x−24+x=−14

Combine −2x and x to get −x.

−x−24=−14

Add 24 to both sides.

−x=−14+24

Add −14 and 24 to get 10.

−x=10

Multiply both sides by −1.

x=−10

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3 years ago

S/4 -7 =9 any help solving this question?

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3 years ago

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3 years ago

An investment company pays 8% compounded semiannually. You want to have $12,000 in the future. (A) How much should you deposit

Leno4ka [110]

Before we start answering the question, let's define the compound interest formula:
$A = P(1+ \frac{r}{n}) ^{nt}$
Where:
'A' is the amount of money in dollars
'P' is the principal amount of money in dollars
'r' is the interest rate (decimal)
'n' is the number of times interest is compounded per year
't' is the time in years

(A) Find Principal Amount
Given:
A = 12,000
P = ?
r = 0.08
n = 2 (semiannually)
t = 5
Now we plug our values in and solve:
$12,000 = P(1+ \frac{0.08}{2}) ^{(2)(5)}$
$12,000 = P(1.04) ^{10}$
$P = 8106.77$
∴ You would have to deposit $8106.77 in order to have $12,000 in 5 years from now.

(B) Find Principal Amount
Same given values as above, with the exception of 't' which is now 10 instead of 5.
$12,000 = P(1+ \frac{0.08}{2}) ^{(2)(10)}$
$12,000 = P(1.04) ^{20}$
$P = 5476.64$
∴ You would have to deposit $5476.64 in order to have $12,000 in 10 years from now.

Hope this helps!

4 0

3 years ago

Given the arithmetic sequence an = 4 − 3(n − 1), what is the domain for n? All integers where n ≥ 1 All integers where n > 1

krok68 [10]

All integers where n ≥ 1.

We have given that the sequence,

$a_{n} =4-3(n-1)$

We have to find the domain for n.

<h3>What is the meaning of arithmetic sequence?</h3>

Arithmetic sequence is a sequence of numbers such that the difference between the consecutive terms is constant. Difference here means the second minus the first.

That is, $a_{n} =a+(n-1)d$

where a = first term of sequence.

d =common difference.

n =number of terms which belongs to natural numbers

By the definition of arithmetic sequence n starts with 1

Remember that,the natural number starts with 1

Now, in given sequence for nth term

$a_{n} =4-3(n-1)$

The domain for n is All integers where n ≥ 1.

To learn more about the arithmetic sequence visit:

brainly.com/question/20118982

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2 years ago