8r-4r=-6+2r

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Solution for 8r-4r=-6+2r equation: 


Simplifying
8r + -4r = -6 + 2r

Combine like terms: 8r + -4r = 4r
4r = -6 + 2r

Solving
4r = -6 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
4r + -2r = -6 + 2r + -2r

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

Combine like terms: 2r + -2r = 0
2r = -6 + 0
2r = -6

Divide each side by '2'.
r = -3

Simplifying
r = -3

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