16=2(a-1)-a

Solution for 16=2(a-1)-a equation:

Simplifying
16 = 2(a + -1) + -1a

Reorder the terms:
16 = 2(-1 + a) + -1a
16 = (-1 * 2 + a * 2) + -1a
16 = (-2 + 2a) + -1a

Combine like terms: 2a + -1a = 1a
16 = -2 + 1a

Solving
16 = -2 + 1a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
16 + -1a = -2 + 1a + -1a

Combine like terms: 1a + -1a = 0
16 + -1a = -2 + 0
16 + -1a = -2

Add '-16' to each side of the equation.
16 + -16 + -1a = -2 + -16

Combine like terms: 16 + -16 = 0
0 + -1a = -2 + -16
-1a = -2 + -16

Combine like terms: -2 + -16 = -18
-1a = -18

Divide each side by '-1'.
a = 18

Simplifying
a = 18