2 years ago

Please help me answer this

Mathematics

1 answer:

Tanya [424]2 years ago

8 0

9514 1404 393

Answer:

A. 9

Step-by-step explanation:

The exterior angle is equal to the sum of the remote interior angles.

10x -19 = (3x +2) +(5x -3)

2x = 18 . . . . . . . . . . . . . . . add 19-8x to both sides, simplfy

x = 9 . . . . . . . . . . . divide by 2

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