3(1-r)=3-3r

Solution for 3(1-r)=3-3r equation:

Simplifying
3(1 + -1r) = 3 + -3r
(1 * 3 + -1r * 3) = 3 + -3r
(3 + -3r) = 3 + -3r

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

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

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

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.