3r+3=r-3

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

Simplifying
3r + 3 = r + -3

Reorder the terms:
3 + 3r = r + -3

Reorder the terms:
3 + 3r = -3 + r

Solving
3 + 3r = -3 + r

Solving for variable 'r'.

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

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

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

Combine like terms: r + -1r = 0
3 + 2r = -3 + 0
3 + 2r = -3

Add '-3' to each side of the equation.
3 + -3 + 2r = -3 + -3

Combine like terms: 3 + -3 = 0
0 + 2r = -3 + -3
2r = -3 + -3

Combine like terms: -3 + -3 = -6
2r = -6

Divide each side by '2'.
r = -3

Simplifying
r = -3