-6(-2n+7)=-78

Solution for -6(-2n+7)=-78 equation:

Simplifying
-6(-2n + 7) = -78

Reorder the terms:
-6(7 + -2n) = -78
(7 * -6 + -2n * -6) = -78
(-42 + 12n) = -78

Solving
-42 + 12n = -78

Solving for variable 'n'.

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

Add '42' to each side of the equation.
-42 + 42 + 12n = -78 + 42

Combine like terms: -42 + 42 = 0
0 + 12n = -78 + 42
12n = -78 + 42

Combine like terms: -78 + 42 = -36
12n = -36

Divide each side by '12'.
n = -3

Simplifying
n = -3