r+2.2=5.7

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Solution for r+2.2=5.7 equation: 


Simplifying
r + 2.2 = 5.7

Reorder the terms:
2.2 + r = 5.7

Solving
2.2 + r = 5.7

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 + r = 5.7 + -2.2

Combine like terms: 2.2 + -2.2 = 0.0
0.0 + r = 5.7 + -2.2
r = 5.7 + -2.2

Combine like terms: 5.7 + -2.2 = 3.5
r = 3.5

Simplifying
r = 3.5

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