3x +4 is 7x and 4x- 1 is 3x because yhat how you solve that
Answer:

Step-by-step explanation:
1) Subtract 92.1 from both sides.

2) Simplify 11.2 - 92.1 to -80.9.

3) Multiply both sides by 5.1.

4) Simplify 80.9 × 5.1 to 412.59.

The answer I would say would be B.
The slope is 3.
10 - 7 = 3
4 - 3 = 1
Final step is to do 3 divided by 1 and you get 3.
Answer:
1/49
Step-by-step explanation: