2.8r-13.1=7.3-44.6

Solution for 2.8r-13.1=7.3-44.6 equation:

Simplifying
2.8r + -13.1 = 7.3 + -44.6

Reorder the terms:
-13.1 + 2.8r = 7.3 + -44.6

Combine like terms: 7.3 + -44.6 = -37.3
-13.1 + 2.8r = -37.3

Solving
-13.1 + 2.8r = -37.3

Solving for variable 'r'.

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

Add '13.1' to each side of the equation.
-13.1 + 13.1 + 2.8r = -37.3 + 13.1

Combine like terms: -13.1 + 13.1 = 0.0
0.0 + 2.8r = -37.3 + 13.1
2.8r = -37.3 + 13.1

Combine like terms: -37.3 + 13.1 = -24.2
2.8r = -24.2

Divide each side by '2.8'.
r = -8.642857143

Simplifying
r = -8.642857143