emilytrejoschooluser emilytrejoschooluser
  • 20-01-2021
  • Mathematics
contestada

Find the Value of “Y”.

Find the Value of Y class=

Respuesta :

KurdishPotato
KurdishPotato KurdishPotato
  • 20-01-2021

Answer:

26

Step-by-step explanation:

7x - 28 = 5x + 12 and 5x + 12 + y = 180

The angle (7y - 28) and angle y are supplementary angles which means their sum is 180°

7y - 28 + y = 180 add like terms

8y - 28 = 180 add 28 to both sides

8y = 208 divide both sides by 8

y = 26

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