3.25=2.3+r

Solution for 3.25=2.3+r equation:

Simplifying
3.25 = 2.3 + r

Solving
3.25 = 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.
3.25 + -1r = 2.3 + r + -1r

Combine like terms: r + -1r = 0
3.25 + -1r = 2.3 + 0
3.25 + -1r = 2.3

Add '-3.25' to each side of the equation.
3.25 + -3.25 + -1r = 2.3 + -3.25

Combine like terms: 3.25 + -3.25 = 0.00
0.00 + -1r = 2.3 + -3.25
-1r = 2.3 + -3.25

Combine like terms: 2.3 + -3.25 = -0.95
-1r = -0.95

Divide each side by '-1'.
r = 0.95

Simplifying
r = 0.95