2r-1=4-r

Solution for 2r-1=4-r equation:

Simplifying
2r + -1 = 4 + -1r

Reorder the terms:
-1 + 2r = 4 + -1r

Solving
-1 + 2r = 4 + -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 + 2r + r = 4 + -1r + r

Combine like terms: 2r + r = 3r
-1 + 3r = 4 + -1r + r

Combine like terms: -1r + r = 0
-1 + 3r = 4 + 0
-1 + 3r = 4

Add '1' to each side of the equation.
-1 + 1 + 3r = 4 + 1

Combine like terms: -1 + 1 = 0
0 + 3r = 4 + 1
3r = 4 + 1

Combine like terms: 4 + 1 = 5
3r = 5

Divide each side by '3'.
r = 1.666666667

Simplifying
r = 1.666666667