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zheka24 [161]
2 years ago
10

Help? 2. Twice the difference of a number and three is the sum of that number and four.

Mathematics
2 answers:
Tcecarenko [31]2 years ago
7 0

Answer:

-26 i think

Step-by-step explanation:

serg [7]2 years ago
5 0

Answer:

<h2><em><u>10</u></em></h2>

Step-by-step explanation:

<h3><u><em>First</em><em>:</em></u><em><u> </u></em><em><u>(</u></em><em><u>Equation</u></em><em><u>)</u></em></h3>

Let,

The required number be = x

So,

Twice the difference of x and 3 = 2(x - 3)

Then,

Sum of the number x and 4 = x + 4

As we know,

<em>By</em><em> </em><em>the</em><em> </em><em>problem</em><em>,</em><em> </em>

2(x - 3) = x + 4 <em>[</em><em>According</em><em> </em><em>to</em><em> </em><em>the</em><em> </em><em>problem</em><em>]</em>

<h3><em><u>Second</u></em><em><u>:</u></em><em><u> </u></em><em><u>(</u></em><em><u>Solution</u></em><em><u>)</u></em></h3>

As given above,

2(x - 3) = x + 4

=> 2x - 6 = x + 4

=> 2x - x = 4 + 6

=> x = 10

<em><u>Hence </u></em><em><u>,</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>required</u></em><em><u> </u></em><em><u>number</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>10</u></em><em><u>.</u></em>

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Serggg [28]

Answer:

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gregori [183]

Answer:

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Step-by-step explanation:

Since, the lateral face of a triangular pyramid is a triangle,

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3 years ago
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