4r+16=80

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Solution for 4r+16=80 equation: 


Simplifying
4r + 16 = 80

Reorder the terms:
16 + 4r = 80

Solving
16 + 4r = 80

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 = 80 + -16

Combine like terms: 16 + -16 = 0
0 + 4r = 80 + -16
4r = 80 + -16

Combine like terms: 80 + -16 = 64
4r = 64

Divide each side by '4'.
r = 16

Simplifying
r = 16

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