f(x)=3(x+9)+4

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Solution for f(x)=3(x+9)+4 equation: 


Simplifying
f(x) = 3(x + 9) + 4

Multiply f * x
fx = 3(x + 9) + 4

Reorder the terms:
fx = 3(9 + x) + 4
fx = (9 * 3 + x * 3) + 4
fx = (27 + 3x) + 4

Reorder the terms:
fx = 27 + 4 + 3x

Combine like terms: 27 + 4 = 31
fx = 31 + 3x

Solving
fx = 31 + 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 = 31x-1 + 3

Simplifying
f = 31x-1 + 3

Reorder the terms:
f = 3 + 31x-1

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