-(r-6)=-3

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Solution for -(r-6)=-3 equation: 


Simplifying
-1(r + -6) = -3

Reorder the terms:
-1(-6 + r) = -3
(-6 * -1 + r * -1) = -3
(6 + -1r) = -3

Solving
6 + -1r = -3

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 = -3 + -6

Combine like terms: 6 + -6 = 0
0 + -1r = -3 + -6
-1r = -3 + -6

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

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

Simplifying
r = 9

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