16=5-(a+6)

Solution for 16=5-(a+6) equation:

Simplifying
16 = 5 + -1(a + 6)

Reorder the terms:
16 = 5 + -1(6 + a)
16 = 5 + (6 * -1 + a * -1)
16 = 5 + (-6 + -1a)

Combine like terms: 5 + -6 = -1
16 = -1 + -1a

Solving
16 = -1 + -1a

Solving for variable 'a'.

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

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

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

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

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

Combine like terms: -1 + -16 = -17
a = -17

Simplifying
a = -17