universoulllmocha
universoulllmocha universoulllmocha
  • 15-10-2018
  • Mathematics
contestada

What is the value of x?

What is the value of x class=

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musiclover10045
musiclover10045 musiclover10045
  • 15-10-2018

The 2 angles are vertical angles, which mean they are equal.


Set the two equations to equal and solve for x:

4x + 7 = 5(x-4)

Use distributive property on the right side:

4x + 7 = 5x -20

Add 20 to each side:

4x +27 = 5x

Subtract 4x from each side:

27 = x


X = 27


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