-0.5r=4

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Solution for -0.5r=4 equation: 


Simplifying
-0.5r = 4

Solving
-0.5r = 4

Solving for variable 'r'.

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

Divide each side by '-0.5'.
r = -8

Simplifying
r = -8

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