Y+3+2(y+3)=15

Solution for Y+3+2(y+3)=15 equation:

Simplifying
Y + 3 + 2(y + 3) = 15

Reorder the terms:
Y + 3 + 2(3 + y) = 15
Y + 3 + (3 * 2 + y * 2) = 15
Y + 3 + (6 + 2y) = 15

Reorder the terms:
3 + 6 + Y + 2y = 15

Combine like terms: 3 + 6 = 9
9 + Y + 2y = 15

Solving
9 + Y + 2y = 15

Solving for variable 'Y'.

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

Add '-9' to each side of the equation.
9 + Y + -9 + 2y = 15 + -9

Reorder the terms:
9 + -9 + Y + 2y = 15 + -9

Combine like terms: 9 + -9 = 0
0 + Y + 2y = 15 + -9
Y + 2y = 15 + -9

Combine like terms: 15 + -9 = 6
Y + 2y = 6

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

Combine like terms: 2y + -2y = 0
Y + 0 = 6 + -2y
Y = 6 + -2y

Simplifying
Y = 6 + -2y