8r=4r-8r

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Solution for 8r=4r-8r equation: 


Simplifying
8r = 4r + -8r

Combine like terms: 4r + -8r = -4r
8r = -4r

Solving
8r = -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.
8r + 4r = -4r + 4r

Combine like terms: 8r + 4r = 12r
12r = -4r + 4r

Combine like terms: -4r + 4r = 0
12r = 0

Divide each side by '12'.
r = 0

Simplifying
r = 0

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