leishanelson41
leishanelson41 leishanelson41
  • 22-10-2020
  • Mathematics
contestada

find the values of x and z.​

find the values of x and z class=

Respuesta :

afunn afunn
  • 22-10-2020

Answer:

x = 2

z = 93°

Step-by-step explanation:

set the top and bottom equations equal to each other...

5x + 77 = 9x + 69, solve for x...

subtract 69 and 5x from both sides...

8 = 4x

divide both sides by 4...

x = 2

substitute 2 for x in either equation...

5(2) + 77 = 87°

subtract 87 from 180...

180° - 87° = 93°

z = 93°

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