80+r=395

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Solution for 80+r=395 equation: 


Simplifying
80 + r = 395

Solving
80 + r = 395

Solving for variable 'r'.

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

Add '-80' to each side of the equation.
80 + -80 + r = 395 + -80

Combine like terms: 80 + -80 = 0
0 + r = 395 + -80
r = 395 + -80

Combine like terms: 395 + -80 = 315
r = 315

Simplifying
r = 315

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