amiee0112 amiee0112
  • 14-08-2020
  • Mathematics
contestada

i need help can someone help me please

i need help can someone help me please class=

Respuesta :

eunice1234
eunice1234 eunice1234
  • 14-08-2020

Answer:

a. x=80

b. x=30

Step-by-step explanation:

Use the exterior angle theorem: as shown in the picture

# a

25+x=105

     x=80

#b

2x+(3x+2)=152

       5x+2=152

          5x=150

            x=30

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