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

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


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

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

Reorder the terms:
fx = (4 + x) + -3

Remove parenthesis around (4 + x)
fx = 4 + x + -3

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

Combine like terms: 4 + -3 = 1
fx = 1 + x

Solving
fx = 1 + x

Solving for variable 'f'.

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

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

Simplifying
f = x-1 + 1

Reorder the terms:
f = 1 + x-1

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