R-8.2+0.4r=-8.6

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Solution for R-8.2+0.4r=-8.6 equation: 


Simplifying
R + -8.2 + 0.4r = -8.6

Reorder the terms:
-8.2 + R + 0.4r = -8.6

Solving
-8.2 + R + 0.4r = -8.6

Solving for variable 'R'.

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

Add '8.2' to each side of the equation.
-8.2 + R + 8.2 + 0.4r = -8.6 + 8.2

Reorder the terms:
-8.2 + 8.2 + R + 0.4r = -8.6 + 8.2

Combine like terms: -8.2 + 8.2 = 0.0
0.0 + R + 0.4r = -8.6 + 8.2
R + 0.4r = -8.6 + 8.2

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

Add '-0.4r' to each side of the equation.
R + 0.4r + -0.4r = -0.4 + -0.4r

Combine like terms: 0.4r + -0.4r = 0.0
R + 0.0 = -0.4 + -0.4r
R = -0.4 + -0.4r

Simplifying
R = -0.4 + -0.4r

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