t+(t+2)+(t+4)=-84

Solution for t+(t+2)+(t+4)=-84 equation:

Simplifying
t + (t + 2) + (t + 4) = -84

Reorder the terms:
t + (2 + t) + (t + 4) = -84

Remove parenthesis around (2 + t)
t + 2 + t + (t + 4) = -84

Reorder the terms:
t + 2 + t + (4 + t) = -84

Remove parenthesis around (4 + t)
t + 2 + t + 4 + t = -84

Reorder the terms:
2 + 4 + t + t + t = -84

Combine like terms: 2 + 4 = 6
6 + t + t + t = -84

Combine like terms: t + t = 2t
6 + 2t + t = -84

Combine like terms: 2t + t = 3t
6 + 3t = -84

Solving
6 + 3t = -84

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 = -84 + -6

Combine like terms: 6 + -6 = 0
0 + 3t = -84 + -6
3t = -84 + -6

Combine like terms: -84 + -6 = -90
3t = -90

Divide each side by '3'.
t = -30

Simplifying
t = -30