4r-22ifr=20

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Solution for 4r-22ifr=20 equation: 


Simplifying
4r + -22ifr = 20

Reorder the terms:
-22fir + 4r = 20

Solving
-22fir + 4r = 20

Solving for variable 'f'.

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

Add '-4r' to each side of the equation.
-22fir + 4r + -4r = 20 + -4r

Combine like terms: 4r + -4r = 0
-22fir + 0 = 20 + -4r
-22fir = 20 + -4r

Divide each side by '-22ir'.
f = -0.9090909091i-1r-1 + 0.1818181818i-1

Simplifying
f = -0.9090909091i-1r-1 + 0.1818181818i-1

Reorder the terms:
f = 0.1818181818i-1 + -0.9090909091i-1r-1

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