11r+10r+2r-8r+-10r=-15

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Solution for 11r+10r+2r-8r+-10r=-15 equation: 


Simplifying
11r + 10r + 2r + -8r + -10r = -15

Combine like terms: 11r + 10r = 21r
21r + 2r + -8r + -10r = -15

Combine like terms: 21r + 2r = 23r
23r + -8r + -10r = -15

Combine like terms: 23r + -8r = 15r
15r + -10r = -15

Combine like terms: 15r + -10r = 5r
5r = -15

Solving
5r = -15

Solving for variable 'r'.

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

Divide each side by '5'.
r = -3

Simplifying
r = -3

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