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Anuta_ua [19.1K]
2 years ago
15

2x - x + 3x + 5 = 25Solve for X​

Mathematics
2 answers:
MakcuM [25]2 years ago
8 0

Answer:

<h3>The value of the unknown (x) is equal to 5</h3>

Step-by-step explanation:

To find the value of x, we follow these steps:

<em>To solve an equation that is not simplified, what we have to do first is simplify it.</em><em> </em><em>We have to group all the similar terms, in this case, there is only one unknown, so we will have to simplify that:</em>

\rm (2x - x) + 3x + 5 = 25 \\  \rm (x + 3x) + 5 = 25  \\ \rm 4x + 5 = 25

<em>Now when a term is adding, we must go to the other side of the equality to subtract from the other equal term</em><em> </em><em>In this case, +5 is adding, so we must go to the other side of the equal to do the opposite: Subtract this </em><em>to</em><em> 25</em><em>:</em>

\rm4x  = 25 - 5 \\  \rm 4x = 20

<em>Continuing with the opposite operations, we see that 4 multiplies the unknown, so we must go to the other side of the equal to divide 20/4, as follows:</em>

<em>\rm x =  \frac{20}{4}  \\ \boxed{ \:  \:  \:  \:  \:  \:  \rm x = 5 \:  \:  \:   \:  \: \: }</em>

So:

<h3>The value of the unknown (x) is equal to 5</h3>
postnew [5]2 years ago
7 0

Answer:

  • \bf x=5

Step-by-step explanation:

\bf 2x - x + 3x + 5 = 25

Combine like terms.

  • \bf 4x+5=25

Subtract 5 from both sides.

  • \bf 4x+5-5=25-5
  • \bf 4x=20

Divide both sides by 4.

  • \bf \cfrac{4x}{4}=\cfrac{20}{4}
  • \bf x=5
<h3><u>__________________</u></h3>
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Vertically stretched by a factor of 2, then translated<br> 4 units left and 1 unit down
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A vertical stretch of scale factor 2, followed by a translation of 4 units left and 1 unit down is written as:

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<h3>How to write the given transformation?</h3>

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<u><em>Horizontal translation:</em></u>

For a general function f(x), a horizontal translation of N units is written as:

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<u><em>Vertical translation:</em></u>

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So, if we start with a function f(x) and we stretch it vertically with a scale factor of 2, we get:

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Then we translate it 4 units left:

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Then we translate 1 unit down:

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If you want to learn more about transformations, you can read:

brainly.com/question/4289712

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150% of 22$ Please help
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$22* (150/100)= $33.

150% of $22 is $33~
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