(2q+1)+(q-1)+q=.85

Solution for (2q+1)+(q-1)+q=.85 equation:

Simplifying
(2q + 1) + (q + -1) + q = 0.85

Reorder the terms:
(1 + 2q) + (q + -1) + q = 0.85

Remove parenthesis around (1 + 2q)
1 + 2q + (q + -1) + q = 0.85

Reorder the terms:
1 + 2q + (-1 + q) + q = 0.85

Remove parenthesis around (-1 + q)
1 + 2q + -1 + q + q = 0.85

Reorder the terms:
1 + -1 + 2q + q + q = 0.85

Combine like terms: 1 + -1 = 0
0 + 2q + q + q = 0.85
2q + q + q = 0.85

Combine like terms: 2q + q = 3q
3q + q = 0.85

Combine like terms: 3q + q = 4q
4q = 0.85

Solving
4q = 0.85

Solving for variable 'q'.

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

Divide each side by '4'.
q = 0.2125

Simplifying
q = 0.2125