R-8.9=-8.4

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Solution for R-8.9=-8.4 equation: 


Simplifying
R + -8.9 = -8.4

Reorder the terms:
-8.9 + R = -8.4

Solving
-8.9 + R = -8.4

Solving for variable 'R'.

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

Add '8.9' to each side of the equation.
-8.9 + 8.9 + R = -8.4 + 8.9

Combine like terms: -8.9 + 8.9 = 0.0
0.0 + R = -8.4 + 8.9
R = -8.4 + 8.9

Combine like terms: -8.4 + 8.9 = 0.5
R = 0.5

Simplifying
R = 0.5

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