T -9 + t = 12
Simplify:
2t -9 = 12
Add 9 to both sides:
2t = 21
Divide both sides by 2:
T = 21/2
T = 11.5
Answer: I think it is T=21
Step-by-step explanation:
-9+t=12
Move constant to the right
t=12+9
Add the numbers
SOLUTION
t=21
