-1=-3+3r+2r

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

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

Combine like terms: 3r + 2r = 5r
-1 = -3 + 5r

Solving
-1 = -3 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
-1 + -5r = -3 + 5r + -5r

Combine like terms: 5r + -5r = 0
-1 + -5r = -3 + 0
-1 + -5r = -3

Add '1' to each side of the equation.
-1 + 1 + -5r = -3 + 1

Combine like terms: -1 + 1 = 0
0 + -5r = -3 + 1
-5r = -3 + 1

Combine like terms: -3 + 1 = -2
-5r = -2

Divide each side by '-5'.
r = 0.4

Simplifying
r = 0.4