2.72+r-3.14=0

Solution for 2.72+r-3.14=0 equation:

Simplifying
2.72 + r + -3.14 = 0

Reorder the terms:
2.72 + -3.14 + r = 0

Combine like terms: 2.72 + -3.14 = -0.42
-0.42 + r = 0

Solving
-0.42 + r = 0

Solving for variable 'r'.

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

Add '0.42' to each side of the equation.
-0.42 + 0.42 + r = 0 + 0.42

Combine like terms: -0.42 + 0.42 = 0.00
0.00 + r = 0 + 0.42
r = 0 + 0.42

Combine like terms: 0 + 0.42 = 0.42
r = 0.42

Simplifying
r = 0.42