1r+3=31

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Solution for 1r+3=31 equation: 


Simplifying
1r + 3 = 31

Reorder the terms:
3 + 1r = 31

Solving
3 + 1r = 31

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + 1r = 31 + -3

Combine like terms: 3 + -3 = 0
0 + 1r = 31 + -3
1r = 31 + -3

Combine like terms: 31 + -3 = 28
1r = 28

Divide each side by '1'.
r = 28

Simplifying
r = 28

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