y+(y+1)+(y-2)=450

Solution for y+(y+1)+(y-2)=450 equation:

Simplifying
y + (y + 1) + (y + -2) = 450

Reorder the terms:
y + (1 + y) + (y + -2) = 450

Remove parenthesis around (1 + y)
y + 1 + y + (y + -2) = 450

Reorder the terms:
y + 1 + y + (-2 + y) = 450

Remove parenthesis around (-2 + y)
y + 1 + y + -2 + y = 450

Reorder the terms:
1 + -2 + y + y + y = 450

Combine like terms: 1 + -2 = -1
-1 + y + y + y = 450

Combine like terms: y + y = 2y
-1 + 2y + y = 450

Combine like terms: 2y + y = 3y
-1 + 3y = 450

Solving
-1 + 3y = 450

Solving for variable 'y'.

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

Add '1' to each side of the equation.
-1 + 1 + 3y = 450 + 1

Combine like terms: -1 + 1 = 0
0 + 3y = 450 + 1
3y = 450 + 1

Combine like terms: 450 + 1 = 451
3y = 451

Divide each side by '3'.
y = 150.3333333

Simplifying
y = 150.3333333