6=3r-r

Solution for 6=3r-r equation:

Simplifying
6 = 3r + -1r

Combine like terms: 3r + -1r = 2r
6 = 2r

Solving
6 = 2r

Solving for variable 'r'.

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

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

Combine like terms: 2r + -2r = 0
6 + -2r = 0

Add '-6' to each side of the equation.
6 + -6 + -2r = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -2r = 0 + -6
-2r = 0 + -6

Combine like terms: 0 + -6 = -6
-2r = -6

Divide each side by '-2'.
r = 3

Simplifying
r = 3