t+u+t+3u=

Solution for t+u+t+3u= equation:

Simplifying
t + u + t + 3u = 0

Reorder the terms:
t + t + u + 3u = 0

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

Combine like terms: u + 3u = 4u
2t + 4u = 0

Solving
2t + 4u = 0

Solving for variable 't'.

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

Add '-4u' to each side of the equation.
2t + 4u + -4u = 0 + -4u

Combine like terms: 4u + -4u = 0
2t + 0 = 0 + -4u
2t = 0 + -4u
Remove the zero:
2t = -4u

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

Simplifying
t = -2u