64=8r-16

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Solution for 64=8r-16 equation:


Simplifying
64 = 8r + -16

Reorder the terms:
64 = -16 + 8r

Solving
64 = -16 + 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.
64 + -8r = -16 + 8r + -8r

Combine like terms: 8r + -8r = 0
64 + -8r = -16 + 0
64 + -8r = -16

Add '-64' to each side of the equation.
64 + -64 + -8r = -16 + -64

Combine like terms: 64 + -64 = 0
0 + -8r = -16 + -64
-8r = -16 + -64

Combine like terms: -16 + -64 = -80
-8r = -80

Divide each side by '-8'.
r = 10

Simplifying
r = 10

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