Josiedagirl
Josiedagirl Josiedagirl
  • 03-02-2021
  • Mathematics
contestada

help please
solve for x​

help pleasesolve for x class=

Respuesta :

jimrgrant1 jimrgrant1
  • 03-02-2021

Answer:

x = 19

Step-by-step explanation:

The 3 angles form a straight line and sum to 180°, that is

5x + 4 + x - 2 + 3x + 7 = 180

9x + 9 = 180 ( subtract 9 from both sides )

9x = 171 ( divide both sides by 9 )

x = 19

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