3r+13r+4r=220

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Solution for 3r+13r+4r=220 equation: 


Simplifying
3r + 13r + 4r = 220

Combine like terms: 3r + 13r = 16r
16r + 4r = 220

Combine like terms: 16r + 4r = 20r
20r = 220

Solving
20r = 220

Solving for variable 'r'.

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

Divide each side by '20'.
r = 11

Simplifying
r = 11

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