(1+t)+2t+3t=-1

Solution for (1+t)+2t+3t=-1 equation:

Simplifying
(1 + t) + 2t + 3t = -1

Remove parenthesis around (1 + t)
1 + t + 2t + 3t = -1

Combine like terms: t + 2t = 3t
1 + 3t + 3t = -1

Combine like terms: 3t + 3t = 6t
1 + 6t = -1

Solving
1 + 6t = -1

Solving for variable 't'.

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

Add '-1' to each side of the equation.
1 + -1 + 6t = -1 + -1

Combine like terms: 1 + -1 = 0
0 + 6t = -1 + -1
6t = -1 + -1

Combine like terms: -1 + -1 = -2
6t = -2

Divide each side by '6'.
t = -0.3333333333

Simplifying
t = -0.3333333333