haleyrae11
haleyrae11 haleyrae11
  • 26-02-2020
  • Mathematics
contestada

Find the value of x.

Find the value of x class=

Respuesta :

igoroleshko156
igoroleshko156 igoroleshko156
  • 26-02-2020

Answer:

Problem 4:  x = -11

Problem 5:  x = -7

Step-by-step explanation:

Problem 4:

x + 51 + 60 + 80 = 180

x + 51 + 60 + 80 - 51 - 60 - 80 = 180 - 51 - 60 - 80

x = -11

Answer:  x = -11

Problem 5:  

45 + 52 + x + 90 - 90 - 52 - 45 = 180 - 90 - 52 - 45

x = -7

Answer:  x = -7

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