R-7.8=12.7

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Solution for R-7.8=12.7 equation: 


Simplifying
R + -7.8 = 12.7

Reorder the terms:
-7.8 + R = 12.7

Solving
-7.8 + R = 12.7

Solving for variable 'R'.

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

Add '7.8' to each side of the equation.
-7.8 + 7.8 + R = 12.7 + 7.8

Combine like terms: -7.8 + 7.8 = 0.0
0.0 + R = 12.7 + 7.8
R = 12.7 + 7.8

Combine like terms: 12.7 + 7.8 = 20.5
R = 20.5

Simplifying
R = 20.5

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