6r-6=72-6

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Solution for 6r-6=72-6 equation: 


Simplifying
6r + -6 = 72 + -6

Reorder the terms:
-6 + 6r = 72 + -6

Combine like terms: 72 + -6 = 66
-6 + 6r = 66

Solving
-6 + 6r = 66

Solving for variable 'r'.

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

Add '6' to each side of the equation.
-6 + 6 + 6r = 66 + 6

Combine like terms: -6 + 6 = 0
0 + 6r = 66 + 6
6r = 66 + 6

Combine like terms: 66 + 6 = 72
6r = 72

Divide each side by '6'.
r = 12

Simplifying
r = 12

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