f(X)=3x-(4x-8)

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Solution for f(X)=3x-(4x-8) equation: 


Simplifying
f(X) = 3x + -1(4x + -8)

Multiply f * X
fX = 3x + -1(4x + -8)

Reorder the terms:
fX = 3x + -1(-8 + 4x)
fX = 3x + (-8 * -1 + 4x * -1)
fX = 3x + (8 + -4x)

Reorder the terms:
fX = 8 + 3x + -4x

Combine like terms: 3x + -4x = -1x
fX = 8 + -1x

Solving
fX = 8 + -1x

Solving for variable 'f'.

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

Divide each side by 'X'.
f = 8X-1 + -1xX-1

Simplifying
f = 8X-1 + -1xX-1

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