332,045 views
7 votes
7 votes
Please help I’m completely lost

Please help I’m completely lost-example-1
User Quad
by
2.3k points

1 Answer

21 votes
21 votes

Answer:

9

Explanation:

So we'll need to add both angles to make it equal to the total angle. Then we can find X by solving an equation.

(4x + 12) + (12x - 8) = 148

16x + 4 = 148

16x = 144

x = 9

User Marcus Estes
by
3.0k points
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