9r-5r-3r=20

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Solution for 9r-5r-3r=20 equation: 


Simplifying
9r + -5r + -3r = 20

Combine like terms: 9r + -5r = 4r
4r + -3r = 20

Combine like terms: 4r + -3r = 1r
1r = 20

Solving
1r = 20

Solving for variable 'r'.

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

Divide each side by '1'.
r = 20

Simplifying
r = 20

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