-6(2t+9)=-42

Solution for -6(2t+9)=-42 equation:

Simplifying
-6(2t + 9) = -42

Reorder the terms:
-6(9 + 2t) = -42
(9 * -6 + 2t * -6) = -42
(-54 + -12t) = -42

Solving
-54 + -12t = -42

Solving for variable 't'.

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

Add '54' to each side of the equation.
-54 + 54 + -12t = -42 + 54

Combine like terms: -54 + 54 = 0
0 + -12t = -42 + 54
-12t = -42 + 54

Combine like terms: -42 + 54 = 12
-12t = 12

Divide each side by '-12'.
t = -1

Simplifying
t = -1