2r+5+30+85=180

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Solution for 2r+5+30+85=180 equation: 


Simplifying
2r + 5 + 30 + 85 = 180

Reorder the terms:
5 + 30 + 85 + 2r = 180

Combine like terms: 5 + 30 = 35
35 + 85 + 2r = 180

Combine like terms: 35 + 85 = 120
120 + 2r = 180

Solving
120 + 2r = 180

Solving for variable 'r'.

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

Add '-120' to each side of the equation.
120 + -120 + 2r = 180 + -120

Combine like terms: 120 + -120 = 0
0 + 2r = 180 + -120
2r = 180 + -120

Combine like terms: 180 + -120 = 60
2r = 60

Divide each side by '2'.
r = 30

Simplifying
r = 30

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