-1=3-3r+2r

Solution for -1=3-3r+2r equation:

Simplifying
-1 = 3 + -3r + 2r

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

Solving
-1 = 3 + -1r

Solving for variable 'r'.

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

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

Combine like terms: -1r + r = 0
-1 + r = 3 + 0
-1 + r = 3

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

Combine like terms: -1 + 1 = 0
0 + r = 3 + 1
r = 3 + 1

Combine like terms: 3 + 1 = 4
r = 4

Simplifying
r = 4