r-8.3=-7.9

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Solution for r-8.3=-7.9 equation: 


Simplifying
r + -8.3 = -7.9

Reorder the terms:
-8.3 + r = -7.9

Solving
-8.3 + r = -7.9

Solving for variable 'r'.

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

Add '8.3' to each side of the equation.
-8.3 + 8.3 + r = -7.9 + 8.3

Combine like terms: -8.3 + 8.3 = 0.0
0.0 + r = -7.9 + 8.3
r = -7.9 + 8.3

Combine like terms: -7.9 + 8.3 = 0.4
r = 0.4

Simplifying
r = 0.4

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