15.9=r+27.3

Solution for 15.9=r+27.3 equation:

Simplifying
15.9 = r + 27.3

Reorder the terms:
15.9 = 27.3 + r

Solving
15.9 = 27.3 + 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.
15.9 + -1r = 27.3 + r + -1r

Combine like terms: r + -1r = 0
15.9 + -1r = 27.3 + 0
15.9 + -1r = 27.3

Add '-15.9' to each side of the equation.
15.9 + -15.9 + -1r = 27.3 + -15.9

Combine like terms: 15.9 + -15.9 = 0.0
0.0 + -1r = 27.3 + -15.9
-1r = 27.3 + -15.9

Combine like terms: 27.3 + -15.9 = 11.4
-1r = 11.4

Divide each side by '-1'.
r = -11.4

Simplifying
r = -11.4