121+3r=502

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Solution for 121+3r=502 equation: 


Simplifying
121 + 3r = 502

Solving
121 + 3r = 502

Solving for variable 'r'.

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

Add '-121' to each side of the equation.
121 + -121 + 3r = 502 + -121

Combine like terms: 121 + -121 = 0
0 + 3r = 502 + -121
3r = 502 + -121

Combine like terms: 502 + -121 = 381
3r = 381

Divide each side by '3'.
r = 127

Simplifying
r = 127

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