Answer:
17 i think
Step-by-step explanation:
56 degrees
Your answer would be 2
15 - 6(x+1) =12
15- 6*x +6*1 = 12
15 - 6x + 6 = 12
15 - 6 + 6x = 12
9 + 6x = 12
9 - 9 + 6x = 12 - 9
6x = 3
x = 2