r+4.1=1.9

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Solution for r+4.1=1.9 equation: 


Simplifying
r + 4.1 = 1.9

Reorder the terms:
4.1 + r = 1.9

Solving
4.1 + r = 1.9

Solving for variable 'r'.

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

Add '-4.1' to each side of the equation.
4.1 + -4.1 + r = 1.9 + -4.1

Combine like terms: 4.1 + -4.1 = 0.0
0.0 + r = 1.9 + -4.1
r = 1.9 + -4.1

Combine like terms: 1.9 + -4.1 = -2.2
r = -2.2

Simplifying
r = -2.2

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