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Anna007 [38]
3 years ago
6

I am thinking of a number, let's call it x . If I increase twice my number by 5, the result is the same as if I triple my number

and subtract 1. Use the 4-step process to write and solve an equation to find my number. Make sure to answer in a sentence.
Mathematics
1 answer:
Mrrafil [7]3 years ago
4 0

Answer: 6

Step-by-step explanation:

Let the number be x

If I increase twice my number by 5, the result is the same as if I triple my number and subtract 1. This can be formed into an equation as:

(2 × x) + 5 = (3 × x) - 1

2x + 5 = 3x - 1

5 + 1 = 3x - 2x

x = 6

The number you are thinking of is 6

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zlopas [31]

Step-by-step explanation:

1. The first graph has a negative slope (increases to the left) and has a y-intercept of 3. So, the equation of the line would be y = -2x + 3.

2. The second graph has a positive slope (increases to the right) and has a y-intercept of -3. Therefore, the equation of the line would be y = 2x - 3.

3. The third graph has a negative slope and has a y-intercept of -3. So, we can say that the equation of the line would be y = -2x - 3.

4. The fourth graph has a positive slope and a y-intercept of 3. Therefore, the equation of the line would be y = 2x + 3.

8 0
2 years ago
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Solve the equation.<br><br> 5x + 6 = 2(2x – 3)<br><br> what dose x =
Lady_Fox [76]

Answer:

x=−12

Step-by-step explanation:

Let's solve your equation step-by-step.

5x+6=2(2x−3)

Step 1: Simplify both sides of the equation.

5x+6=2(2x−3)

5x+6=(2)(2x)+(2)(−3)(Distribute)

5x+6=4x+−6

5x+6=4x−6

Step 2: Subtract 4x from both sides.

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Step 3: Subtract 6 from both sides.

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Which ordered pair is a solution to the system of equations?
iren2701 [21]

(- 2, - 3) is a solution to the given system of equations.

Answer: Option D

<u>Step-by-step explanation:</u>

Given equation are not presented in proper format. So, let assume the given system of are as below,

         2 x - y = -1

         2 x -4 y = 8

Now, subtract the second equation from the first, we get

          (2 x - y) -(2 x - 4 y) = -1 -8

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Substituting y = - 3 into the first equation, we get

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          x = - 2 (obtained when divide by 2)

Now, the answer is (x, y) = (- 2, - 3)

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Rus_ich [418]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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