r+0.2=8.5

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Solution for r+0.2=8.5 equation: 


Simplifying
r + 0.2 = 8.5

Reorder the terms:
0.2 + r = 8.5

Solving
0.2 + r = 8.5

Solving for variable 'r'.

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

Add '-0.2' to each side of the equation.
0.2 + -0.2 + r = 8.5 + -0.2

Combine like terms: 0.2 + -0.2 = 0.0
0.0 + r = 8.5 + -0.2
r = 8.5 + -0.2

Combine like terms: 8.5 + -0.2 = 8.3
r = 8.3

Simplifying
r = 8.3

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