Y+6=2(x+9)

Solution for Y+6=2(x+9) equation:

Simplifying
Y + 6 = 2(x + 9)

Reorder the terms:
6 + Y = 2(x + 9)

Reorder the terms:
6 + Y = 2(9 + x)
6 + Y = (9 * 2 + x * 2)
6 + Y = (18 + 2x)

Solving
6 + Y = 18 + 2x

Solving for variable 'Y'.

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

Add '-6' to each side of the equation.
6 + -6 + Y = 18 + -6 + 2x

Combine like terms: 6 + -6 = 0
0 + Y = 18 + -6 + 2x
Y = 18 + -6 + 2x

Combine like terms: 18 + -6 = 12
Y = 12 + 2x

Simplifying
Y = 12 + 2x