-6[x+13]=30

Solution for -6[x+13]=30 equation:

Simplifying
-6[x + 13] = 30

Reorder the terms:
-6[13 + x] = 30
[13 * -6 + x * -6] = 30
[-78 + -6x] = 30

Solving
-78 + -6x = 30

Solving for variable 'x'.

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

Add '78' to each side of the equation.
-78 + 78 + -6x = 30 + 78

Combine like terms: -78 + 78 = 0
0 + -6x = 30 + 78
-6x = 30 + 78

Combine like terms: 30 + 78 = 108
-6x = 108

Divide each side by '-6'.
x = -18

Simplifying
x = -18