Question

What is t -9 + t = 12

Answer 1

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

Answer 2

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