16-4r=4

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Solution for 16-4r=4 equation: 


Simplifying
16 + -4r = 4

Solving
16 + -4r = 4

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 = 4 + -16

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

Combine like terms: 4 + -16 = -12
-4r = -12

Divide each side by '-4'.
r = 3

Simplifying
r = 3

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