-(2r+10)-9r=

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Solution for -(2r+10)-9r= equation:


Simplifying
-1(2r + 10) + -9r = 0

Reorder the terms:
-1(10 + 2r) + -9r = 0
(10 * -1 + 2r * -1) + -9r = 0
(-10 + -2r) + -9r = 0

Combine like terms: -2r + -9r = -11r
-10 + -11r = 0

Solving
-10 + -11r = 0

Solving for variable 'r'.

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

Add '10' to each side of the equation.
-10 + 10 + -11r = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -11r = 0 + 10
-11r = 0 + 10

Combine like terms: 0 + 10 = 10
-11r = 10

Divide each side by '-11'.
r = -0.9090909091

Simplifying
r = -0.9090909091

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