-11(-2r-4)=9

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Solution for -11(-2r-4)=9 equation:


Simplifying
-11(-2r + -4) = 9

Reorder the terms:
-11(-4 + -2r) = 9
(-4 * -11 + -2r * -11) = 9
(44 + 22r) = 9

Solving
44 + 22r = 9

Solving for variable 'r'.

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

Add '-44' to each side of the equation.
44 + -44 + 22r = 9 + -44

Combine like terms: 44 + -44 = 0
0 + 22r = 9 + -44
22r = 9 + -44

Combine like terms: 9 + -44 = -35
22r = -35

Divide each side by '22'.
r = -1.590909091

Simplifying
r = -1.590909091

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