-i+f=ir

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Solution for -i+f=ir equation: 


Simplifying
-1i + f = ir

Reorder the terms:
f + -1i = ir

Solving
f + -1i = ir

Solving for variable 'f'.

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

Add 'i' to each side of the equation.
f + -1i + i = i + ir

Combine like terms: -1i + i = 0
f + 0 = i + ir
f = i + ir

Simplifying
f = i + ir

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