2r=8r-30

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Solution for 2r=8r-30 equation: 


Simplifying
2r = 8r + -30

Reorder the terms:
2r = -30 + 8r

Solving
2r = -30 + 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
2r + -8r = -30 + 8r + -8r

Combine like terms: 2r + -8r = -6r
-6r = -30 + 8r + -8r

Combine like terms: 8r + -8r = 0
-6r = -30 + 0
-6r = -30

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

Simplifying
r = 5

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