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navik [9.2K]
3 years ago
9

12=2/7x what is x solve for x

Mathematics
2 answers:
asambeis [7]3 years ago
7 0

Answer:

x = 42

Step-by-step explanation:

2/7x = 12

x = 12 / 2/7

x = 12 * 7/2

x = 6 * 7

x = 42

Advocard [28]3 years ago
6 0

Answer:

x=42

Step-by-step explanation:

1. Multiply 7 to both sides of equal sign

84=2x

2. Divide by 2

x=42

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  5y(2x−3)=y(x+2)+20 where x=3
Feliz [49]
Here x=3
so, putting 3 instead of x
5y(2(3)-3)=y(3+2)+20 \\ 5y(3)=5y+20 \\ 15y-5y=20 \\ 10y=20 \\ y=20/10=2
6 0
3 years ago
Read 2 more answers
At the theater, tickets for adults cost $4.75
shutvik [7]
X+y= 26 and 4.75x + 2.25y= 83.50

y=26-x( substitute this into second equation for y and solve for x)

4.75x + 2.25(26-x)= 83.50

4.75x + 58.5-2.25x= 83.50

x= 10

Now solve for y by substituting your answer for x

10+ y= 26

y=16

Therefore, 16 tickets were purchased for kids and 10 for adults.

7 0
3 years ago
Problem number 26 of the Rhind Papyrus says: Find a quantity such that when it is added to StartFraction 1 Over 4 EndFraction of
Rzqust [24]

Answer:

x=12

Step-by-step explanation:

For the given situation , a quantity x is added to \frac{1}{4} x gives 15.

We can set up equation as

x+\frac{1}{4}x=15

Multiply each term by 4 on both sides to get rid the denominator.

It gives,

4 x+x=60

Now, combine like terms

5 x=60

Divide both sides by 5

x=12.

6 0
3 years ago
Which of the following notes is G?
Marta_Voda [28]
G in bass clef is the answer D!
7 0
2 years ago
HELP FAST I NEVER SAW THIS BEFORE IN MY LIFE<br><br> I'll mark brainliest for the best answer!!
OlgaM077 [116]

Answer:

GIRL NO WAY IM LITTERALY TAKING THAT TEST RN AND IM TRYING TO FIGURE OUT THAT SAME QUESTION LOL

Step-by-step explanation:

BUT I THINK ITS -0.5 DONT TAKE MY WORD FOR IT IM JUST ASSUMING ITS THE ANSWER BC ITS THE ONLY ONE THAT MAKES SENSE

8 0
3 years ago
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