Answer:
I think: 0 = 3x + b or b = -3x + 0 or x = -b + 0/3 or 3 = -b + 0/x
Sorry if you get this wrong..
7 = 3t + 1
t = 6
....................
7 = 3t - 2t + 3
t = 4
3/20
Step-by-step explanation: