2r-5-5=30

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Solution for 2r-5-5=30 equation: 


Simplifying
2r + -5 + -5 = 30

Reorder the terms:
-5 + -5 + 2r = 30

Combine like terms: -5 + -5 = -10
-10 + 2r = 30

Solving
-10 + 2r = 30

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 + 2r = 30 + 10

Combine like terms: -10 + 10 = 0
0 + 2r = 30 + 10
2r = 30 + 10

Combine like terms: 30 + 10 = 40
2r = 40

Divide each side by '2'.
r = 20

Simplifying
r = 20

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