Answer:
Step-by-step explanation:
Angles <em>B</em><em> </em>and<em> </em><em>C</em><em> </em>form a straight angle, so you set both expressions equal to 180°:
180° = (2x + 15)° + x°
180° = 15° + [3x]°
- 15° - 15°
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![\displaystyle \frac{165°}{3°} = \frac{[3x]°}{3°} \\ \\ 55° = x](https://tex.z-dn.net/?f=%5Cdisplaystyle%20%5Cfrac%7B165%C2%B0%7D%7B3%C2%B0%7D%20%3D%20%5Cfrac%7B%5B3x%5D%C2%B0%7D%7B3%C2%B0%7D%20%5C%5C%20%5C%5C%2055%C2%B0%20%3D%20x)
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Answer:
The answer is 2
Step-by-step explanation:
4 + (-2) = 2
Answer:
You would divide by -3, in this case x would be -7
Step-by-step explanation:
-3/-3 = x -3/21 = -7
x=-7
I do not know the first one, but the second one is variable and the last one is a constant
Answer:
confusion maxed out
Step-by-step explanation:
