f(x)=(x+3)7

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Solution for f(x)=(x+3)7 equation: 


Simplifying
f(x) = (x + 3) * 7

Multiply f * x
fx = (x + 3) * 7

Reorder the terms:
fx = (3 + x) * 7

Reorder the terms for easier multiplication:
fx = 7(3 + x)
fx = (3 * 7 + x * 7)
fx = (21 + 7x)

Solving
fx = 21 + 7x

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 21x-1 + 7

Simplifying
f = 21x-1 + 7

Reorder the terms:
f = 7 + 21x-1

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