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Stella [2.4K]
3 years ago
7

What is the value of x?

Mathematics
1 answer:
kozerog [31]3 years ago
4 0

Answer:

x = 35

Step-by-step explanation:

Since they are vertical angles, the angles are congruent and therefore you can set them equal to each other.

4x + 20 = 3x + 55

Have x on one side of the equation by subtracting 3x from both sides.

x + 20 = 55

Subtract 20 from both sides of the equation.

x = 35

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Step-by-step explanation:

Simplify

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terms:

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Solving

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Move all terms containing x to the left, all other terms to the right.  (Remember)

Add '5x' to each side of the equation.

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Combine the like terms -3x + 5x = 2x

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Combine the like terms again  -5x + 5x = 0

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Then '-6' to each side of the equation.

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Combine the like terms: 6 + -6 = 0

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2x = 8 + -6

Combine the like terms: 8 + -6 = 2

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Then divide each side by '2'.

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Simplifying

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