x^2-8r+16=0

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Solution for x^2-8r+16=0 equation: 


Simplifying
x2 + -8r + 16 = 0

Reorder the terms:
16 + -8r + x2 = 0

Solving
16 + -8r + x2 = 0

Solving for variable 'r'.

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

Add '-16' to each side of the equation.
16 + -8r + -16 + x2 = 0 + -16

Reorder the terms:
16 + -16 + -8r + x2 = 0 + -16

Combine like terms: 16 + -16 = 0
0 + -8r + x2 = 0 + -16
-8r + x2 = 0 + -16

Combine like terms: 0 + -16 = -16
-8r + x2 = -16

Add '-1x2' to each side of the equation.
-8r + x2 + -1x2 = -16 + -1x2

Combine like terms: x2 + -1x2 = 0
-8r + 0 = -16 + -1x2
-8r = -16 + -1x2

Divide each side by '-8'.
r = 2 + 0.125x2

Simplifying
r = 2 + 0.125x2

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