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lapo4ka [179]
3 years ago
15

How to find the variable

Mathematics
1 answer:
sergejj [24]3 years ago
4 0
X=13 since the triangle adds up to 180, you know one side is 90 degrees and the other two angles are equal to each other because the opposite sides are equal to each other. the two angles must add up to 90 degrees so you divide by 2 and you get 45 degrees for each angle E and G and you set 3x+6=45. you subtract both sides by 6 and then you have 3x=39 and now divide both sides by 3 and x=13.
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Answer:

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Step-by-step explanation:

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Answer:

Please check the explanation.

Step-by-step explanation:

Given the verbal expression

''Thirteen less than twice the sum of a number and six is 47''.

Let us break down the verbal expression into an algebraic equation

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And finally

Thirteen less than twice the sum of a number and six is 47:

2n+6-13 = 47

Therefore, the equation is:2n+6-13 = 47

Solving the algebraic expression

solving the equation for 'n'

2n+6-13 = 47

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Add 7 to both sides

2n-7+7=47+7

Simplify

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Divide both sides by 2

\frac{2n}{2}=\frac{54}{2}

Simplify

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