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scoray [572]
4 years ago
9

Whats the answer to 1+3x=-2(x+7)

Mathematics
2 answers:
Hitman42 [59]4 years ago
6 0

Answer:

x = -3

Step-by-step explanation:

1+3x=-2(x+7)

Distribute

1+3x = -2x-14

Add 2x to each side

1+3x+2x = -2x+2x-14

1+5x = -14

Subtract 1 from each side

1-1+5x= -14-1

5x = -15

Divide each side by 5

5x/5 = -15/5

x = -3

Lyrx [107]4 years ago
4 0

Answer:

-3

Step-by-step explanation:

Please give me brainliest.

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Lyla made a scale drawing of a city park. She used the scale 1 millimeter = 1 meter. What is the scale factor of the drawing?
sertanlavr [38]

Answer:

1ml : 1m

Step-by-step explanation:

The scale factor of the drawing is the ratio of 1 milliliter and 1 meter; that is, 1ml : 1m.

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Step-by-step explanation:


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Miri counted her money and found that her 25 coins which were nickels, dimes, and quarters were worth $3.20. the number of dimes
Natasha_Volkova [10]
Nickels = x

dimes = x + 4

quarters = x

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nickel = 5 cents

dime = 10 cents

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5x + 10x + 40 + 25x = 320

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x = 280/40

x = 7

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4 0
3 years ago
  A polygon that has all sides the same measure and all angles the same measure is called what?        A. Convex polygon   B. Co
Schach [20]
<span>D. Regular polygon.

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Hoped I helped!
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4 years ago
The perimeters of a rectangle and an equilateral triangle are equal. The length of the rectangle is twice the width, and the sid
Alex Ar [27]

Step-by-step explanation:

solution.

Let S represent side of the equilateral triangle.

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