-4-15.8r=-12.2

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Solution for -4-15.8r=-12.2 equation: 


Simplifying
-4 + -15.8r = -12.2

Solving
-4 + -15.8r = -12.2

Solving for variable 'r'.

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

Add '4' to each side of the equation.
-4 + 4 + -15.8r = -12.2 + 4

Combine like terms: -4 + 4 = 0
0 + -15.8r = -12.2 + 4
-15.8r = -12.2 + 4

Combine like terms: -12.2 + 4 = -8.2
-15.8r = -8.2

Divide each side by '-15.8'.
r = 0.5189873418

Simplifying
r = 0.5189873418

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