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Dafna11 [192]
3 years ago
5

1.6 solving for a variable 2x+3y=12 for x​

Mathematics
2 answers:
AfilCa [17]3 years ago
8 0

Answer:

x=(12-3y)÷2

Step-by-step explanation:

2x+3y=12

2x=12-3y

2x÷2 = (12-3y)÷2

x = (12-3y)÷2

QveST [7]3 years ago
6 0

To solve for a variable means to isolate the variable on one side of the equation.

2x+3y = 12

2x = -3y + 12

x = (-3y + 12)/2

Done.

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What is the least common demoninator for the fractions
vlabodo [156]

Answer:

The least common denominator is 6.

Step-by-step explanation:


3 0
3 years ago
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Convert these unlike fractions to equivalent like fractions and add them. You must use the LCD to get the answer correct. If pos
Gnoma [55]

The converted fractions are 3/12 and 5/12 and the sum is 2/3

<h3>How to convert the fractions?</h3>

From the question, the fractions are given as

1/4 and 5/12

The denominators of these fractions are

4 and 12

So. we start by calculating the LCD of the denominators

So, we have

4 = 2* 2

12 = 2 * 2 * 3

This gives

LCD = 2 * 2 * 3

Evaluate

LCD = 12

This means that the common denominator must be 12

So, we have

1/4 and 5/12

Multiply 1/4 by 3/3

This gives

3/12 and 5/12

When the fractions are added, we have

3/12 + 5/12 = (3 + 5)/12

Evaluate

3/12 + 5/12 = 8/12

Reduce fraction

3/12 + 5/12 = 2/3

Hence, the sum of the fractions is 2/3

Read more about fractions at

brainly.com/question/1622425

#SPJ1

8 0
1 year ago
Plz help me answer this
timofeeve [1]

Answer:

(-2, -8)

x = -2

y = -8

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

<u>Algebra I</u>

  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

<u>Step 1: Define systems</u>

13x - 6y = 22

x = y + 6

<u>Step 2: Solve for </u><em><u>y</u></em>

<em>Substitution</em>

  1. Substitute in <em>x</em>:                              13(y + 6) - 6y = 22
  2. Distribute 13:                                 13y + 78 - 6y = 22
  3. Combine like terms:                      7y + 78 = 22
  4. Isolate <em>y</em> term:                                7y = -56
  5. Isolate <em>y</em>:                                         y = -8

<u>Step 3: Solve for </u><em><u>x</u></em>

  1. Define original equation:                    x = y + 6
  2. Substitute in <em>y</em>:                                     x = -8 + 6
  3. Add:                                                      x = -2
4 0
3 years ago
Please answer quickly thanks :)))
soldi70 [24.7K]
From least to greatest: |6.99|,|-7.09|,|7.15|,|-7.18|,|-7.21|. This is becauase every value will be positive because of the absolute value
4 0
3 years ago
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There are three groups of elderly residents at Bayside Residential Home, one with 14 members, the next with 23 members, and the
Arturiano [62]

Answer:

Total Cost - 54c

Step-by-step explanation:

Given is 3 groups of elderly residents at the Bayside Residential Home. One of the home has 14 members, another one with 23 members and the third one with 17 members. Supposing that 'c' represent the cost of trip per resident.

Calculation,

Total of residence

14+23+17

= 54 residents

Hence, since there are 54 residents, total cost 54c.

7 0
3 years ago
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