-3(2t+6)=-42

Solution for -3(2t+6)=-42 equation:

Simplifying
-3(2t + 6) = -42

Reorder the terms:
-3(6 + 2t) = -42
(6 * -3 + 2t * -3) = -42
(-18 + -6t) = -42

Solving
-18 + -6t = -42

Solving for variable 't'.

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

Add '18' to each side of the equation.
-18 + 18 + -6t = -42 + 18

Combine like terms: -18 + 18 = 0
0 + -6t = -42 + 18
-6t = -42 + 18

Combine like terms: -42 + 18 = -24
-6t = -24

Divide each side by '-6'.
t = 4

Simplifying
t = 4