.6(r-2)=7.2

Solution for .6(r-2)=7.2 equation:

Simplifying
0.6(r + -2) = 7.2

Reorder the terms:
0.6(-2 + r) = 7.2
(-2 * 0.6 + r * 0.6) = 7.2
(-1.2 + 0.6r) = 7.2

Solving
-1.2 + 0.6r = 7.2

Solving for variable 'r'.

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

Add '1.2' to each side of the equation.
-1.2 + 1.2 + 0.6r = 7.2 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 0.6r = 7.2 + 1.2
0.6r = 7.2 + 1.2

Combine like terms: 7.2 + 1.2 = 8.4
0.6r = 8.4

Divide each side by '0.6'.
r = 14

Simplifying
r = 14