2.2-3r=1

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Solution for 2.2-3r=1 equation: 


Simplifying
2.2 + -3r = 1

Solving
2.2 + -3r = 1

Solving for variable 'r'.

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

Add '-2.2' to each side of the equation.
2.2 + -2.2 + -3r = 1 + -2.2

Combine like terms: 2.2 + -2.2 = 0.0
0.0 + -3r = 1 + -2.2
-3r = 1 + -2.2

Combine like terms: 1 + -2.2 = -1.2
-3r = -1.2

Divide each side by '-3'.
r = 0.4

Simplifying
r = 0.4

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