-3(2t+4)=-42

Solution for -3(2t+4)=-42 equation:

Simplifying
-3(2t + 4) = -42

Reorder the terms:
-3(4 + 2t) = -42
(4 * -3 + 2t * -3) = -42
(-12 + -6t) = -42

Solving
-12 + -6t = -42

Solving for variable 't'.

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

Add '12' to each side of the equation.
-12 + 12 + -6t = -42 + 12

Combine like terms: -12 + 12 = 0
0 + -6t = -42 + 12
-6t = -42 + 12

Combine like terms: -42 + 12 = -30
-6t = -30

Divide each side by '-6'.
t = 5

Simplifying
t = 5