r+8.2+0.4=8.6

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Solution for r+8.2+0.4=8.6 equation: 


Simplifying
r + 8.2 + 0.4 = 8.6

Reorder the terms:
8.2 + 0.4 + r = 8.6

Combine like terms: 8.2 + 0.4 = 8.6
8.6 + r = 8.6

Add '-8.6' to each side of the equation.
8.6 + -8.6 + r = 8.6 + -8.6

Combine like terms: 8.6 + -8.6 = 0.0
0.0 + r = 8.6 + -8.6
r = 8.6 + -8.6

Combine like terms: 8.6 + -8.6 = 0.0
r = 0.0

Solving
r = 0.0

Solving for variable 'r'.

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

Simplifying
r = 0.0

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