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 = -48
-8r = -48

Divide each side by '-8'.
r = 6

Simplifying
r = 6

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