140r-28r-4r=216

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Solution for 140r-28r-4r=216 equation: 


Simplifying
140r + -28r + -4r = 216

Combine like terms: 140r + -28r = 112r
112r + -4r = 216

Combine like terms: 112r + -4r = 108r
108r = 216

Solving
108r = 216

Solving for variable 'r'.

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

Divide each side by '108'.
r = 2

Simplifying
r = 2

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