-(r-5)-11=9

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Solution for -(r-5)-11=9 equation:


Simplifying
-1(r + -5) + -11 = 9

Reorder the terms:
-1(-5 + r) + -11 = 9
(-5 * -1 + r * -1) + -11 = 9
(5 + -1r) + -11 = 9

Reorder the terms:
5 + -11 + -1r = 9

Combine like terms: 5 + -11 = -6
-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 = 15
-1r = 15

Divide each side by '-1'.
r = -15

Simplifying
r = -15

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