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emmainna [20.7K]
3 years ago
15

How do you solve the problem of -3x-8+6x=7?

Mathematics
1 answer:
andriy [413]3 years ago
8 0

Answer:

x = 5

Step-by-step explanation:

-3x-8+6x = 7

You can separate the unlike terms by bringing -8 to the right side of the equation first. (-8) will turn into (+8) when it shifts over.

-3x+6x = 7+8

Calculate like terms.

3x = 15

Find x.

x = 15 ÷ 3

  = 5

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What is another way to summarize this proof?
Makovka662 [10]

Another way to summarize this proof is to say vertical angles are congruent.

<h3>Vertical angles</h3>

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From the given figure, they are trying to prove that the angles ANR and VNE are equal. Since these angles are formed at the point of intersection, hence another way to summarize this proof is to say vertical angles are congruent.

Learn more on vertical angles here: brainly.com/question/14362353

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5 0
2 years ago
The length of a rectangle is 4 inches more than 4 times the width. The perimeter is 138 inches. Find the length and the width.
MatroZZZ [7]
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3 years ago
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3 0
3 years ago
PLS HELP 15 POINTS!<br><br> Find part “b”.
Ilya [14]

Answer:

b=45/4

Step-by-step explanation:

This is a special triangle 30-60-90.

In big triangle hypotenuse 15, short leg x=(hypotenuse/2), x=15/2.

In smallest triangle :

1. This is also special triangle 30-60-90

2. x=15/2 hypotenuse

3. "a" is a shortest leg in the smallest triangle,

so a=(15/2)/2=15/4

a+b=15

15/4 +b=15

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b=45/4

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4 years ago
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Answer: (x + 3)(x + 3)

6 0
3 years ago
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