-8a-6(2a-1)=86

Solution for -8a-6(2a-1)=86 equation:

Simplifying
-8a + -6(2a + -1) = 86

Reorder the terms:
-8a + -6(-1 + 2a) = 86
-8a + (-1 * -6 + 2a * -6) = 86
-8a + (6 + -12a) = 86

Reorder the terms:
6 + -8a + -12a = 86

Combine like terms: -8a + -12a = -20a
6 + -20a = 86

Solving
6 + -20a = 86

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + -20a = 86 + -6

Combine like terms: 6 + -6 = 0
0 + -20a = 86 + -6
-20a = 86 + -6

Combine like terms: 86 + -6 = 80
-20a = 80

Divide each side by '-20'.
a = -4

Simplifying
a = -4