2r+5=420

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Solution for 2r+5=420 equation: 


Simplifying
2r + 5 = 420

Reorder the terms:
5 + 2r = 420

Solving
5 + 2r = 420

Solving for variable 'r'.

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

Add '-5' to each side of the equation.
5 + -5 + 2r = 420 + -5

Combine like terms: 5 + -5 = 0
0 + 2r = 420 + -5
2r = 420 + -5

Combine like terms: 420 + -5 = 415
2r = 415

Divide each side by '2'.
r = 207.5

Simplifying
r = 207.5

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