1.2+2r=81

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Solution for 1.2+2r=81 equation: 


Simplifying
1.2 + 2r = 81

Solving
1.2 + 2r = 81

Solving for variable 'r'.

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

Add '-1.2' to each side of the equation.
1.2 + -1.2 + 2r = 81 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + 2r = 81 + -1.2
2r = 81 + -1.2

Combine like terms: 81 + -1.2 = 79.8
2r = 79.8

Divide each side by '2'.
r = 39.9

Simplifying
r = 39.9

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