Question

Solve for x.


Can someone help me fast!

Answer 1

`\displaystyle 55° = x`

Step-by-step Step-by-step explanation:

Angles B and C form a straight angle, so you set both expressions equal to 180°:

180° = (2x + 15)° + x°

180° = 15° + [3x]°

- 15° - 15°

____________

`\displaystyle (165°)/(3°) = ([3x]°)/(3°) \\ \\ 55° = x`

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