R+37=21

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Solution for R+37=21 equation: 


Simplifying
R + 37 = 21

Reorder the terms:
37 + R = 21

Solving
37 + R = 21

Solving for variable 'R'.

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

Add '-37' to each side of the equation.
37 + -37 + R = 21 + -37

Combine like terms: 37 + -37 = 0
0 + R = 21 + -37
R = 21 + -37

Combine like terms: 21 + -37 = -16
R = -16

Simplifying
R = -16

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