72+7r=r

Solution for 72+7r=r equation:

Simplifying
72 + 7r = r

Solving
72 + 7r = 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.
72 + 7r + -1r = r + -1r

Combine like terms: 7r + -1r = 6r
72 + 6r = r + -1r

Combine like terms: r + -1r = 0
72 + 6r = 0

Add '-72' to each side of the equation.
72 + -72 + 6r = 0 + -72

Combine like terms: 72 + -72 = 0
0 + 6r = 0 + -72
6r = 0 + -72

Combine like terms: 0 + -72 = -72
6r = -72

Divide each side by '6'.
r = -12

Simplifying
r = -12