f(x)=4(x+5)-8

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Solution for f(x)=4(x+5)-8 equation: 


Simplifying
f(x) = 4(x + 5) + -8

Multiply f * x
fx = 4(x + 5) + -8

Reorder the terms:
fx = 4(5 + x) + -8
fx = (5 * 4 + x * 4) + -8
fx = (20 + 4x) + -8

Reorder the terms:
fx = 20 + -8 + 4x

Combine like terms: 20 + -8 = 12
fx = 12 + 4x

Solving
fx = 12 + 4x

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 12x-1 + 4

Simplifying
f = 12x-1 + 4

Reorder the terms:
f = 4 + 12x-1

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