8r-8=80

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Solution for 8r-8=80 equation: 


Simplifying
8r + -8 = 80

Reorder the terms:
-8 + 8r = 80

Solving
-8 + 8r = 80

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 + 8r = 80 + 8

Combine like terms: -8 + 8 = 0
0 + 8r = 80 + 8
8r = 80 + 8

Combine like terms: 80 + 8 = 88
8r = 88

Divide each side by '8'.
r = 11

Simplifying
r = 11

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