Answer:
Step-by-step explanation:
1. The total should be 90 degree so your equation should look like this:
(x + 17)° + 15 = 90
2. Now simplify: (x+17)° = 90 - 15
3. Simplify: x + 17 = 75
4. Simplify: x = 75 - 17
5. Simmplify and celebrate: x = 58
Pls brainliest!
