Respuesta :

Answer:

75

Step-by-step explanation:

2x-45+x=180

3x-45=180

3x=225

x=75

wegnerkolmp2741o

Answer:

75

Step-by-step explanation:

Adjacent angles add to 180

x + 2x-45 = 180

Combine like terms

3x - 45 = 180

Add 45 to each side

3x = 180+45

3x =225

Divide by 3

3x/3 = 225/3

x =75