66=8r-6

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Solution for 66=8r-6 equation:


Simplifying
66 = 8r + -6

Reorder the terms:
66 = -6 + 8r

Solving
66 = -6 + 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
66 + -8r = -6 + 8r + -8r

Combine like terms: 8r + -8r = 0
66 + -8r = -6 + 0
66 + -8r = -6

Add '-66' to each side of the equation.
66 + -66 + -8r = -6 + -66

Combine like terms: 66 + -66 = 0
0 + -8r = -6 + -66
-8r = -6 + -66

Combine like terms: -6 + -66 = -72
-8r = -72

Divide each side by '-8'.
r = 9

Simplifying
r = 9

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