R+7.2=8.1

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Solution for R+7.2=8.1 equation: 


Simplifying
R + 7.2 = 8.1

Reorder the terms:
7.2 + R = 8.1

Solving
7.2 + R = 8.1

Solving for variable 'R'.

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

Add '-7.2' to each side of the equation.
7.2 + -7.2 + R = 8.1 + -7.2

Combine like terms: 7.2 + -7.2 = 0.0
0.0 + R = 8.1 + -7.2
R = 8.1 + -7.2

Combine like terms: 8.1 + -7.2 = 0.9
R = 0.9

Simplifying
R = 0.9

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