R+28=9

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Solution for R+28=9 equation: 


Simplifying
R + 28 = 9

Reorder the terms:
28 + R = 9

Solving
28 + R = 9

Solving for variable 'R'.

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

Add '-28' to each side of the equation.
28 + -28 + R = 9 + -28

Combine like terms: 28 + -28 = 0
0 + R = 9 + -28
R = 9 + -28

Combine like terms: 9 + -28 = -19
R = -19

Simplifying
R = -19

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