6-r=9

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Solution for 6-r=9 equation: 


Simplifying
6 + -1r = 9

Solving
6 + -1r = 9

Solving for variable 'r'.

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

Add '-6' to each side of the equation.
6 + -6 + -1r = 9 + -6

Combine like terms: 6 + -6 = 0
0 + -1r = 9 + -6
-1r = 9 + -6

Combine like terms: 9 + -6 = 3
-1r = 3

Divide each side by '-1'.
r = -3

Simplifying
r = -3

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