-4.2r+5r=

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Solution for -4.2r+5r= equation: 


Simplifying
-4.2r + 5r = 0

Combine like terms: -4.2r + 5r = 0.8r
0.8r = 0

Solving
0.8r = 0

Solving for variable 'r'.

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

Divide each side by '0.8'.
r = 0

Simplifying
r = 0

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