39=t+4t

Solution for 39=t+4t equation:

Simplifying
39 = t + 4t

Combine like terms: t + 4t = 5t
39 = 5t

Solving
39 = 5t

Solving for variable 't'.

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

Add '-5t' to each side of the equation.
39 + -5t = 5t + -5t

Combine like terms: 5t + -5t = 0
39 + -5t = 0

Add '-39' to each side of the equation.
39 + -39 + -5t = 0 + -39

Combine like terms: 39 + -39 = 0
0 + -5t = 0 + -39
-5t = 0 + -39

Combine like terms: 0 + -39 = -39
-5t = -39

Divide each side by '-5'.
t = 7.8

Simplifying
t = 7.8