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2 years ago

14

I know the answer but I need help doing the equation!!! 10 points!!!! Help!!!!

2 answers:

olga nikolaevna [1]2 years ago

8 0

To solve this, we will use the Exterior Angle of a Triangle Theorem, which states that the exterior angles in a triangle are congruent to the 2 interior remote angles.

Therefore:

17x-1 = 84 + 7x+5.

• The exterior angle = the 2 remote interior angles.

17x-1+1=84+7x+5+1

17x = 84+7x+6

17x-7x = 84+7x-7x+6

10x = 84+6

10x = 90

10x/10 = 90/10

x = 9

Brums [2.3K]2 years ago

3 0

Answer: Here x = 9. This is the correct answer. Hooe it helps

Step-by-step explanation:

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