3.6=r-2.3

Solution for 3.6=r-2.3 equation:

Simplifying
3.6 = r + -2.3

Reorder the terms:
3.6 = -2.3 + r

Solving
3.6 = -2.3 + 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.
3.6 + -1r = -2.3 + r + -1r

Combine like terms: r + -1r = 0
3.6 + -1r = -2.3 + 0
3.6 + -1r = -2.3

Add '-3.6' to each side of the equation.
3.6 + -3.6 + -1r = -2.3 + -3.6

Combine like terms: 3.6 + -3.6 = 0.0
0.0 + -1r = -2.3 + -3.6
-1r = -2.3 + -3.6

Combine like terms: -2.3 + -3.6 = -5.9
-1r = -5.9

Divide each side by '-1'.
r = 5.9

Simplifying
r = 5.9