12a-64=-4a

Solution for 12a-64=-4a equation:

Simplifying
12a + -64 = -4a

Reorder the terms:
-64 + 12a = -4a

Solving
-64 + 12a = -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
-64 + 12a + 4a = -4a + 4a

Combine like terms: 12a + 4a = 16a
-64 + 16a = -4a + 4a

Combine like terms: -4a + 4a = 0
-64 + 16a = 0

Add '64' to each side of the equation.
-64 + 64 + 16a = 0 + 64

Combine like terms: -64 + 64 = 0
0 + 16a = 0 + 64
16a = 0 + 64

Combine like terms: 0 + 64 = 64
16a = 64

Divide each side by '16'.
a = 4

Simplifying
a = 4