9r-6+4r+19+8r+3=180

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Solution for 9r-6+4r+19+8r+3=180 equation: 


Simplifying
9r + -6 + 4r + 19 + 8r + 3 = 180

Reorder the terms:
-6 + 19 + 3 + 9r + 4r + 8r = 180

Combine like terms: -6 + 19 = 13
13 + 3 + 9r + 4r + 8r = 180

Combine like terms: 13 + 3 = 16
16 + 9r + 4r + 8r = 180

Combine like terms: 9r + 4r = 13r
16 + 13r + 8r = 180

Combine like terms: 13r + 8r = 21r
16 + 21r = 180

Solving
16 + 21r = 180

Solving for variable 'r'.

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

Add '-16' to each side of the equation.
16 + -16 + 21r = 180 + -16

Combine like terms: 16 + -16 = 0
0 + 21r = 180 + -16
21r = 180 + -16

Combine like terms: 180 + -16 = 164
21r = 164

Divide each side by '21'.
r = 7.80952381

Simplifying
r = 7.80952381

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