Answer:
B
Step-by-step explanation:
3t+6=9 or -91. 3t+6=9
3t=9-6=3
t=3/3-=1
2. 3t+6=-9
3t=-9-6=-15
t=-15/3=-5
t=1, -5
B {-5, 1}
Separate into possible cases
3t + 6 = 9
3t + 6 = -9
Solve the equations
t = 1
The equation has 2 solutions
t = -5
