Answer:
F, D, E, and B are all correct (10, 8, 7, and 4)
Step-by-step explanation:
Answer:

Step-by-step explanation:
1. Regroup terms.

2. Add 1 to both sides.

3. Simplify 3x + 3 + 1 to 3x + 4.

4. Subtrect 3x from both sides.

5. Simplify 4x - 3x to x.

Therefor, the answer is, x = 4.
Answer: C (110)
reasoning: 50 times 2 = 100. 100 + 10 = 110
60x9=540 I believe is the answer