120-120r=102

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Solution for 120-120r=102 equation: 


Simplifying
120 + -120r = 102

Solving
120 + -120r = 102

Solving for variable 'r'.

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

Add '-120' to each side of the equation.
120 + -120 + -120r = 102 + -120

Combine like terms: 120 + -120 = 0
0 + -120r = 102 + -120
-120r = 102 + -120

Combine like terms: 102 + -120 = -18
-120r = -18

Divide each side by '-120'.
r = 0.15

Simplifying
r = 0.15

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