Simplifying
3t + -6 = 12
Reorder the terms:
-6 + 3t = 12
Solving
-6 + 3t = 12
Solving for variable 't'.
Move all terms containing t to the left, all other terms to the right.
Add '6' to each side of the equation.
-6 + 6 + 3t = 12 + 6
Combine like terms: -6 + 6 = 0
0 + 3t = 12 + 6
3t = 12 + 6
Combine like terms: 12 + 6 = 18
3t = 18
Divide each side by '3'.
t = 6
Simplifying
t = 6