f(x)=0.8x+4.2

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Solution for f(x)=0.8x+4.2 equation: 


Simplifying
f(x) = 0.8x + 4.2

Multiply f * x
fx = 0.8x + 4.2

Reorder the terms:
fx = 4.2 + 0.8x

Solving
fx = 4.2 + 0.8x

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 4.2x-1 + 0.8

Simplifying
f = 4.2x-1 + 0.8

Reorder the terms:
f = 0.8 + 4.2x-1

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