20r+2r-21r=17

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Solution for 20r+2r-21r=17 equation: 


Simplifying
20r + 2r + -21r = 17

Combine like terms: 20r + 2r = 22r
22r + -21r = 17

Combine like terms: 22r + -21r = 1r
1r = 17

Solving
1r = 17

Solving for variable 'r'.

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

Divide each side by '1'.
r = 17

Simplifying
r = 17

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