8=4r-16

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Solution for 8=4r-16 equation:


Simplifying
8 = 4r + -16

Reorder the terms:
8 = -16 + 4r

Solving
8 = -16 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
8 + -4r = -16 + 4r + -4r

Combine like terms: 4r + -4r = 0
8 + -4r = -16 + 0
8 + -4r = -16

Add '-8' to each side of the equation.
8 + -8 + -4r = -16 + -8

Combine like terms: 8 + -8 = 0
0 + -4r = -16 + -8
-4r = -16 + -8

Combine like terms: -16 + -8 = -24
-4r = -24

Divide each side by '-4'.
r = 6

Simplifying
r = 6

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