5.1+2r=8.66

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Solution for 5.1+2r=8.66 equation: 


Simplifying
5.1 + 2r = 8.66

Solving
5.1 + 2r = 8.66

Solving for variable 'r'.

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

Add '-5.1' to each side of the equation.
5.1 + -5.1 + 2r = 8.66 + -5.1

Combine like terms: 5.1 + -5.1 = 0.0
0.0 + 2r = 8.66 + -5.1
2r = 8.66 + -5.1

Combine like terms: 8.66 + -5.1 = 3.56
2r = 3.56

Divide each side by '2'.
r = 1.78

Simplifying
r = 1.78

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