42=t-7t

Solution for 42=t-7t equation:

Simplifying
42 = t + -7t

Combine like terms: t + -7t = -6t
42 = -6t

Solving
42 = -6t

Solving for variable 't'.

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

Add '6t' to each side of the equation.
42 + 6t = -6t + 6t

Combine like terms: -6t + 6t = 0
42 + 6t = 0

Add '-42' to each side of the equation.
42 + -42 + 6t = 0 + -42

Combine like terms: 42 + -42 = 0
0 + 6t = 0 + -42
6t = 0 + -42

Combine like terms: 0 + -42 = -42
6t = -42

Divide each side by '6'.
t = -7

Simplifying
t = -7