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Vesna [10]
3 years ago
11

What would you do to isolate the variable in the equation below, using only one

Mathematics
2 answers:
weeeeeb [17]3 years ago
8 0
Subtract 9 from both sides of the equation
sladkih [1.3K]3 years ago
3 0

Answer:

O Subtract 9 from both sides of the equation.

Step-by-step explanation:

Notice that on the left hand side of the equation, you have two parts: X and 9. The variable is X, so we must do something to the 9 to remove it. Remember that we can cancel things by adding the negative of it. For example, 47+(-47)=0. Therefore, the opposite of 9 is -9. That essentially means subtracting 9.

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A total of 399 tickets were sold for the school play. They were either adult tickets or student tickets. The number of students
weqwewe [10]

133 adult tickets were sold.

Step-by-step explanation:

Given,

Total tickets sold for school play = 399

Let,

x represent the number of children tickets sold.

y represent the number of adult tickets sold.

According to given statement;

x+y=399      Eqn 1

x = 2y           Eqn 2

Putting value of x from Eqn 2 in Eqn 1

2y+y=399\\3y=399

Dividing both sides by 3

\frac{3y}{3}=\frac{399}{3}\\y=133

133 adult tickets were sold.

Keywords: linear equation, substitution method

Learn more about substitution method at:

  • brainly.com/question/9231234
  • brainly.com/question/9214411

#LearnwithBrainly

4 0
3 years ago
What is the area, in square units, of the parallelogram?<br><br>12<br>18<br>24<br>36​
uysha [10]

24, because area means to multipy and it gives 6 ins. and 4 ins. so 6x4 is 24. Hope I was helpful.

4 0
3 years ago
The length of a rectangle is twice its width. The length is 4 1/2 feet. What is the area of the rectangle in square feet?
MA_775_DIABLO [31]

Answer:

Loading,please wait...

Step-by-step explanation:

8 0
3 years ago
Select the BEST classification for sq. root 25 . A) irrational B) rational C) imaginary Eliminate D) complex
tatuchka [14]

Answer:

B. Rational

Step-by-step explanation:

the square root of 25 is 5. 5 best fits the classification of rational

4 0
3 years ago
Can someone solve this
Natalka [10]

Option D:

ΔCAN ≅ ΔWNA by SAS congruence rule.

Solution:

Given data:

m∠CNA = m∠WAN and CN = WA

To prove that ΔCAN ≅ ΔWNA:

In ΔCAN and ΔWNA,

CN = WA (given side)

∠CNA = ∠WAN (given angle)

NA = NA (reflexive side)

Therefore, ΔCAN ≅ ΔWNA by SAS congruence rule.

Hence option D is the correct answer.

4 0
3 years ago
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