-2r=4r+a

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Solution for -2r=4r+a equation: 


Simplifying
-2r = 4r + a

Reorder the terms:
-2r = a + 4r

Solving
-2r = a + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
-2r + -4r = a + 4r + -4r

Combine like terms: -2r + -4r = -6r
-6r = a + 4r + -4r

Combine like terms: 4r + -4r = 0
-6r = a + 0
-6r = a

Divide each side by '-6'.
r = -0.1666666667a

Simplifying
r = -0.1666666667a

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