-4(r-4)=0

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Solution for -4(r-4)=0 equation: 


Simplifying
-4(r + -4) = 0

Reorder the terms:
-4(-4 + r) = 0
(-4 * -4 + r * -4) = 0
(16 + -4r) = 0

Solving
16 + -4r = 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 + -16 + -4r = 0 + -16

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

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

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

Simplifying
r = 4

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