r+(s+2r)=

Solution for r+(s+2r)= equation:

Simplifying
r + (s + 2r) = 0

Reorder the terms:
r + (2r + s) = 0

Remove parenthesis around (2r + s)
r + 2r + s = 0

Combine like terms: r + 2r = 3r
3r + s = 0

Solving
3r + s = 0

Solving for variable 'r'.

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

Add '-1s' to each side of the equation.
3r + s + -1s = 0 + -1s

Combine like terms: s + -1s = 0
3r + 0 = 0 + -1s
3r = 0 + -1s
Remove the zero:
3r = -1s

Divide each side by '3'.
r = -0.3333333333s

Simplifying
r = -0.3333333333s