f(x)=-3(19-x)

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Solution for f(x)=-3(19-x) equation: 


Simplifying
f(x) = -3(19 + -1x)

Multiply f * x
fx = -3(19 + -1x)
fx = (19 * -3 + -1x * -3)
fx = (-57 + 3x)

Solving
fx = -57 + 3x

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -57x-1 + 3

Simplifying
f = -57x-1 + 3

Reorder the terms:
f = 3 + -57x-1

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