Answer:
x=0
Step-by-step explanation:
3x + 34x - 40x = 0
37x - 40x = 0
-3x = 0
x=0
Remember solving inequalities is setting up two smaller inequalities one positive one negative. Also, when you divide or multiply by a negative number to solve for x the inequality changes over.
I believe the answer is
f(x)=3x -6
Hope this helped.
The answer is in the image and this question is from exponents