2(y-3)+y=12

Solution for 2(y-3)+y=12 equation:

Simplifying
2(y + -3) + y = 12

Reorder the terms:
2(-3 + y) + y = 12
(-3 * 2 + y * 2) + y = 12
(-6 + 2y) + y = 12

Combine like terms: 2y + y = 3y
-6 + 3y = 12

Solving
-6 + 3y = 12

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 + 3y = 12 + 6

Combine like terms: -6 + 6 = 0
0 + 3y = 12 + 6
3y = 12 + 6

Combine like terms: 12 + 6 = 18
3y = 18

Divide each side by '3'.
y = 6

Simplifying
y = 6