137+r=520

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Solution for 137+r=520 equation: 


Simplifying
137 + r = 520

Solving
137 + r = 520

Solving for variable 'r'.

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

Add '-137' to each side of the equation.
137 + -137 + r = 520 + -137

Combine like terms: 137 + -137 = 0
0 + r = 520 + -137
r = 520 + -137

Combine like terms: 520 + -137 = 383
r = 383

Simplifying
r = 383

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