Question

Solve for X

..................................................................................

Answer 1

9

Explanation:

All triangle angles add up to 180 degrees.

50 + 80 + (6x - 4) = 180

130 + (6x - 4) = 180

-130 -130

6x - 4 = 50

+4 +4

6x = 54

/6 /6

x = 9

Answer 2

C. 9

Explanation:

The measure of a triangle is 180.

Make all the angles equal 180.

50+80+6x-4=180.

Solve.

6x=54

x=9