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DaniilM [7]
3 years ago
15

3b divided by 7 takeaway 1 = 5 What is the b?

Mathematics
2 answers:
myrzilka [38]3 years ago
8 0

Answer:

14

Step-by-step explanation:

3b/7 - 1 = 5

move the 1 over by adding

3b/7 = 6

multiply each side by 7 to get rid of the denominator

3b = 42

divide by 3

b = 14

NARA [144]3 years ago
5 0

Answer:

b=14

Step-by-step explanation:

<u><em>Step 1 : Creating the equation:</em></u>

\frac{3b}{7} -1=5  

<u><em>Step 2 : Solve by adding 1 on both sides</em></u>

\frac{3b}{7}=6

<u><em>Step 3 : Mutiply both sides by 7 to get rid of the denominator</em></u>

3b=42

<u><em>Step 4 : Divide both sides by 3:</em></u>

b=14

<u><em>Step 5 : Answer:</em></u>

The value of b is 14.

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Sergio [31]

Answer:

11 minutos.

Step-by-step explanation:

En las Olimpiadas de Matemáticas, la hora de inicio del evento se expresa en una ecuación simple: 2x + 6 = x + 17 ¿A qué hora comenzó el evento?

La hora en que comienza el evento en los juegos olímpicos se representa como x

Por tanto: 2x + 6 = x + 17

Recopilar términos similares

2x - x = 17 - 6

x = 11 minutos

Por lo tanto, los eventos comienzan en 11 minutos.

7 0
2 years ago
Solve the following systems by substitution
Paladinen [302]

Answer:

The answer to your question is below

Step-by-step explanation:

Question 1

                x = 5                       Equation l

                2x + y = 10              Equation ll

- Substitute Equation l in equation ll

               2(5) + y = 10

                y = 10 - 10

                y = 0

- Solution  (5, 0)

Question 2

                 x + 16y = 20          Equation l

                 x = 4y                    Equation ll

Substitute equation ll in equation l

                4y + 16y = 20

                        20y = 20

                           y = 20/20

                           y = 1

-Find x

                x = 4(1)

                x = 4

-Solution

                (4, 1)

Question 3

                   2x + 8y = 20            Equation l

                     x = 2                       Equation ll

-Substitute equation ll in equation l

                   2(2) + 8y = 20

                      4 + 8y = 20

                            8y = 20 - 4

                            8y = 16

                              y = 16/8

                              y = 2

- Solution

                   (2, 2)              

8 0
3 years ago
How much will two points cost on a $175,000 mortgage?
Triss [41]
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2 years ago
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2 years ago
I need to know the answer please…
Triss [41]
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Step by step

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Now to move variables to one side
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Combine like terms

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Add 19 to both sides to isolate variable

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(Remember when you divide a fraction, flip it and multiply.)

17 * 3/7 = a

51/7 = a

Picture attached shows steps in order, I think that is what you also needed?

5 0
11 months ago
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