30r=-15r

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Solution for 30r=-15r equation: 


Simplifying
30r = -15r

Solving
30r = -15r

Solving for variable 'r'.

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

Add '15r' to each side of the equation.
30r + 15r = -15r + 15r

Combine like terms: 30r + 15r = 45r
45r = -15r + 15r

Combine like terms: -15r + 15r = 0
45r = 0

Divide each side by '45'.
r = 0

Simplifying
r = 0

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