fred93
fred93 fred93
  • 04-05-2020
  • Mathematics
contestada

I need help what does x equal

I need help what does x equal class=

Respuesta :

MusicLife24
MusicLife24 MusicLife24
  • 04-05-2020

Answer:

x = 53°

Step-by-step explanation:

Before the river gets divided into two different degrees its a straight angle.

If you add x° to (2x + 21)° it should equal 180°

Now you set it up to solve for x

x° + (2x + 21)° = 180°

Add the x's together

3x° + 21° = 180°

Then subtract 21° from 180°

3x° = 159°

Then divide both sides by 3 to get x

[tex]\frac{3x}{3} = \frac{159}{3}[/tex]

x = 53°

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