-8a+-8(-9a+-8)=

Solution for -8a+-8(-9a+-8)= equation:

Simplifying
-8a + -8(-9a + -8) = 0

Reorder the terms:
-8a + -8(-8 + -9a) = 0
-8a + (-8 * -8 + -9a * -8) = 0
-8a + (64 + 72a) = 0

Reorder the terms:
64 + -8a + 72a = 0

Combine like terms: -8a + 72a = 64a
64 + 64a = 0

Solving
64 + 64a = 0

Solving for variable 'a'.

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

Add '-64' to each side of the equation.
64 + -64 + 64a = 0 + -64

Combine like terms: 64 + -64 = 0
0 + 64a = 0 + -64
64a = 0 + -64

Combine like terms: 0 + -64 = -64
64a = -64

Divide each side by '64'.
a = -1

Simplifying
a = -1