I guess just work backwards.
x=-3
2x=-6
x=-x-6
There ya go :P
Theyre both divisible by 3
15n-18= 3(5n - 6)
Answer:
170°
Step-by-step explanation:
To convert from radians to degrees
degree measure = radian measure ×
, thus
degree =
× 
Cancel π on numerator/denominator and 18/ 180 by 18
degree measure = = 17 × 10 = 170°