f+12.3=20

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Solution for f+12.3=20 equation: 


Simplifying
f + 12.3 = 20

Reorder the terms:
12.3 + f = 20

Solving
12.3 + f = 20

Solving for variable 'f'.

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

Add '-12.3' to each side of the equation.
12.3 + -12.3 + f = 20 + -12.3

Combine like terms: 12.3 + -12.3 = 0.0
0.0 + f = 20 + -12.3
f = 20 + -12.3

Combine like terms: 20 + -12.3 = 7.7
f = 7.7

Simplifying
f = 7.7

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