80-2r=-2

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Solution for 80-2r=-2 equation: 


Simplifying
80 + -2r = -2

Solving
80 + -2r = -2

Solving for variable 'r'.

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

Add '-80' to each side of the equation.
80 + -80 + -2r = -2 + -80

Combine like terms: 80 + -80 = 0
0 + -2r = -2 + -80
-2r = -2 + -80

Combine like terms: -2 + -80 = -82
-2r = -82

Divide each side by '-2'.
r = 41

Simplifying
r = 41

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