3=t+11.5+t

Solution for 3=t+11.5+t equation:

Simplifying
3 = t + 11.5 + t

Reorder the terms:
3 = 11.5 + t + t

Combine like terms: t + t = 2t
3 = 11.5 + 2t

Solving
3 = 11.5 + 2t

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '-2t' to each side of the equation.
3 + -2t = 11.5 + 2t + -2t

Combine like terms: 2t + -2t = 0
3 + -2t = 11.5 + 0
3 + -2t = 11.5

Add '-3' to each side of the equation.
3 + -3 + -2t = 11.5 + -3

Combine like terms: 3 + -3 = 0
0 + -2t = 11.5 + -3
-2t = 11.5 + -3

Combine like terms: 11.5 + -3 = 8.5
-2t = 8.5

Divide each side by '-2'.
t = -4.25

Simplifying
t = -4.25