42=t-5t

Solution for 42=t-5t equation:

Simplifying
42 = t + -5t

Combine like terms: t + -5t = -4t
42 = -4t

Solving
42 = -4t

Solving for variable 't'.

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

Add '4t' to each side of the equation.
42 + 4t = -4t + 4t

Combine like terms: -4t + 4t = 0
42 + 4t = 0

Add '-42' to each side of the equation.
42 + -42 + 4t = 0 + -42

Combine like terms: 42 + -42 = 0
0 + 4t = 0 + -42
4t = 0 + -42

Combine like terms: 0 + -42 = -42
4t = -42

Divide each side by '4'.
t = -10.5

Simplifying
t = -10.5