11r-8r-1=17

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Solution for 11r-8r-1=17 equation: 


Simplifying
11r + -8r + -1 = 17

Reorder the terms:
-1 + 11r + -8r = 17

Combine like terms: 11r + -8r = 3r
-1 + 3r = 17

Solving
-1 + 3r = 17

Solving for variable 'r'.

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

Add '1' to each side of the equation.
-1 + 1 + 3r = 17 + 1

Combine like terms: -1 + 1 = 0
0 + 3r = 17 + 1
3r = 17 + 1

Combine like terms: 17 + 1 = 18
3r = 18

Divide each side by '3'.
r = 6

Simplifying
r = 6

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