5.6+2.5=.9r

Solution for 5.6+2.5=.9r equation:

Simplifying
5.6 + 2.5 = 0.9r

Combine like terms: 5.6 + 2.5 = 8.1
8.1 = 0.9r

Solving
8.1 = 0.9r

Solving for variable 'r'.

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

Add '-0.9r' to each side of the equation.
8.1 + -0.9r = 0.9r + -0.9r

Combine like terms: 0.9r + -0.9r = 0.0
8.1 + -0.9r = 0.0

Add '-8.1' to each side of the equation.
8.1 + -8.1 + -0.9r = 0.0 + -8.1

Combine like terms: 8.1 + -8.1 = 0.0
0.0 + -0.9r = 0.0 + -8.1
-0.9r = 0.0 + -8.1

Combine like terms: 0.0 + -8.1 = -8.1
-0.9r = -8.1

Divide each side by '-0.9'.
r = 9

Simplifying
r = 9