16=3-(y+9)

Solution for 16=3-(y+9) equation:

Simplifying
16 = 3 + -1(y + 9)

Reorder the terms:
16 = 3 + -1(9 + y)
16 = 3 + (9 * -1 + y * -1)
16 = 3 + (-9 + -1y)

Combine like terms: 3 + -9 = -6
16 = -6 + -1y

Solving
16 = -6 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
16 + y = -6 + -1y + y

Combine like terms: -1y + y = 0
16 + y = -6 + 0
16 + y = -6

Add '-16' to each side of the equation.
16 + -16 + y = -6 + -16

Combine like terms: 16 + -16 = 0
0 + y = -6 + -16
y = -6 + -16

Combine like terms: -6 + -16 = -22
y = -22

Simplifying
y = -22