The measures of the angles of a triangle are shown in the figure below. Solve for x.

1 answer:

8 0

Answer:

x= 7

Step-by-step explanation:

Theorem: The sum of the angles of a triangle is 180

Memorize that theorem

8x - 9 + 63 + 70 = 180

8x + 124 = 180

8x = 56

x= 7

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