3r-9r=30

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Solution for 3r-9r=30 equation: 


Simplifying
3r + -9r = 30

Combine like terms: 3r + -9r = -6r
-6r = 30

Solving
-6r = 30

Solving for variable 'r'.

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

Divide each side by '-6'.
r = -5

Simplifying
r = -5

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