4 + 7x - 3x + 2 = 8x + 6
6 + 4x = 8x + 6
Subtract 6 and 4x from both sides
0 = 4x
0 = x
Answer:
The moment of take-off
Step-by-step explanation: If it is two minutes before then they would say t-minus two minutes. Two minutes after would be t-plus two minutes, and so on. Please correct me of any mistakes.