(3r)+1.9=20.8

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Solution for (3r)+1.9=20.8 equation: 


Simplifying
(3r) + 1.9 = 20.8

Reorder the terms:
1.9 + (3r) = 20.8

Solving
1.9 + (3r) = 20.8

Solving for variable 'r'.

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

Add '-1.9' to each side of the equation.
1.9 + -1.9 + (3r) = 20.8 + -1.9

Combine like terms: 1.9 + -1.9 = 0.0
0.0 + (3r) = 20.8 + -1.9
(3r) = 20.8 + -1.9

Combine like terms: 20.8 + -1.9 = 18.9
(3r) = 18.9

Divide each side by '3'.
r = 6.3

Simplifying
r = 6.3

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