R-8.6=-81

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Solution for R-8.6=-81 equation: 


Simplifying
R + -8.6 = -81

Reorder the terms:
-8.6 + R = -81

Solving
-8.6 + R = -81

Solving for variable 'R'.

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

Add '8.6' to each side of the equation.
-8.6 + 8.6 + R = -81 + 8.6

Combine like terms: -8.6 + 8.6 = 0.0
0.0 + R = -81 + 8.6
R = -81 + 8.6

Combine like terms: -81 + 8.6 = -72.4
R = -72.4

Simplifying
R = -72.4

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