17-r=8

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Solution for 17-r=8 equation: 


Simplifying
17 + -1r = 8

Solving
17 + -1r = 8

Solving for variable 'r'.

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

Add '-17' to each side of the equation.
17 + -17 + -1r = 8 + -17

Combine like terms: 17 + -17 = 0
0 + -1r = 8 + -17
-1r = 8 + -17

Combine like terms: 8 + -17 = -9
-1r = -9

Divide each side by '-1'.
r = 9

Simplifying
r = 9

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