lannloop lannloop

06-03-2022
Mathematics

contestada

Solve for x please thanks

Solve for x please thanks class=

Respuesta :

lpina68 lpina68

06-03-2022

Answer:

x = 9

Step-by-step explanation:

Angle PDC is an exterior angle. There is a theorem that says it is equal to the two angles (C and B) added together.

17x - 1 = 7x + 5 + 84

17x - 1 = 7x + 89

Subtract 7x

10x - 1 = 89

Add 1

10x = 90

Divide by 10

x = 9

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