Answer:
X = -2
Step-by-step explanation:
-x - 8 + 14x = -34
-x + 14x = -34 + 8
-x + 14x = -26
13x = -26
x = -26/13
x = -2
-(-2) - 8 + 14(-2) = -34
2 - 8 - 28 = -34
-34 = -34