-1=3r+3r

Solution for -1=3r+3r equation:

Simplifying
-1 = 3r + 3r

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

Solving
-1 = 6r

Solving for variable 'r'.

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

Add '-6r' to each side of the equation.
-1 + -6r = 6r + -6r

Combine like terms: 6r + -6r = 0
-1 + -6r = 0

Add '1' to each side of the equation.
-1 + 1 + -6r = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -6r = 0 + 1
-6r = 0 + 1

Combine like terms: 0 + 1 = 1
-6r = 1

Divide each side by '-6'.
r = -0.1666666667

Simplifying
r = -0.1666666667