R-9.3=4.2

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Solution for R-9.3=4.2 equation: 


Simplifying
R + -9.3 = 4.2

Reorder the terms:
-9.3 + R = 4.2

Solving
-9.3 + R = 4.2

Solving for variable 'R'.

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

Add '9.3' to each side of the equation.
-9.3 + 9.3 + R = 4.2 + 9.3

Combine like terms: -9.3 + 9.3 = 0.0
0.0 + R = 4.2 + 9.3
R = 4.2 + 9.3

Combine like terms: 4.2 + 9.3 = 13.5
R = 13.5

Simplifying
R = 13.5

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