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Umnica [9.8K]
3 years ago
13

K-x=y+w, for x Solve the equation for each indicated variable

Mathematics
1 answer:
sveta [45]3 years ago
8 0

Answer:

-x=y+w-k

-x.-1=-1.(y+w-k)

x=-y-w+k

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2/3 of the sum of three times a number and six is 10. what is the number?
mestny [16]

9514 1404 393

Answer:

  3

Step-by-step explanation:

Let x represent the number. The problem statement tells you ...

2/3(3x +6) = 10

  2x +4 = 10 . . . . . . use the distributive property

  x +2 = 5 . . . . . . . . divide by 2

  x = 3 . . . . . . . . . . .subtract 3

The number is 3.

__

<em>Comment on the solution</em>

The above shows an "alternative" solution method. The more usual way this might be done is ...

  2(3x +6) = 30 . . . . . multiply by 3 to clear fractions

  6x +12 = 30 . . . . . . . eliminate parentheses

  6x = 18 . . . . . . . . . . . subtract 12

  x = 3 . . . . . . . . . . . . divide by 6

3 0
3 years ago
Read 2 more answers
PLEASE HELP! Let f(x)= 6x+1 find f(a) + f(2)
SpyIntel [72]

Answer:

6(a)+14

Step-by-step explanation:

First you need to find f(a) and f(2) separately, then add them together after

f(a) = 6(a)+1

f(2) = 6(2)+1 = 12+1 = 13

so f(a)+f(2) = 6(a)+1+13 = 6(a)+14

6 0
2 years ago
What is the product in simplest form.
Alex787 [66]

Answer:

a)

-  \frac{9}{22}

7 0
2 years ago
If 3/4 of a certain number is equal to 9 find the number <br>​
NeTakaya

write the equation.

3/4n=9

now solve.

3/4n=9

/3/4  /3/4

n=12

---

hope it helps

4 0
3 years ago
Read 2 more answers
How do you know where to put the parentheses in an equation?
ziro4ka [17]
Parentheses are used to identify which numbers you should add,multiply .ect first. So If i had

12-(3+1)=x    

then you would want to solve 3+1 before you subtract 12.
7 0
3 years ago
Read 2 more answers
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