-8-2r=-2r+2r

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


Simplifying
-8 + -2r = -2r + 2r

Combine like terms: -2r + 2r = 0
-8 + -2r = 0

Solving
-8 + -2r = 0

Solving for variable 'r'.

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

Add '8' to each side of the equation.
-8 + 8 + -2r = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -2r = 0 + 8
-2r = 0 + 8

Combine like terms: 0 + 8 = 8
-2r = 8

Divide each side by '-2'.
r = -4

Simplifying
r = -4

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