[2t+3]=[2+-4]

Solution for [2t+3]=[2+-4] equation:

Simplifying
[2t + 3] = [2 + -4]

Reorder the terms:
[3 + 2t] = [2 + -4]

Remove brackets around [3 + 2t]
3 + 2t = [2 + -4]

Combine like terms: 2 + -4 = -2
3 + 2t = [-2]
3 + 2t = -2

Solving
3 + 2t = -2

Solving for variable 't'.

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

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

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

Combine like terms: -2 + -3 = -5
2t = -5

Divide each side by '2'.
t = -2.5

Simplifying
t = -2.5