r+8.4=-0.5

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Solution for r+8.4=-0.5 equation: 


Simplifying
r + 8.4 = -0.5

Reorder the terms:
8.4 + r = -0.5

Solving
8.4 + r = -0.5

Solving for variable 'r'.

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

Add '-8.4' to each side of the equation.
8.4 + -8.4 + r = -0.5 + -8.4

Combine like terms: 8.4 + -8.4 = 0.0
0.0 + r = -0.5 + -8.4
r = -0.5 + -8.4

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

Simplifying
r = -8.9

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