f(0)=7+x

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Solution for f(0)=7+x equation: 


Simplifying
f(0) = 7 + x

Reorder the terms for easier multiplication:
0f = 7 + x

Anything times zero is zero.
0f = 7 + x

Solving
0 = 7 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
0 + -1x = 7 + x + -1x
Remove the zero:
-1x = 7 + x + -1x

Combine like terms: x + -1x = 0
-1x = 7 + 0
-1x = 7

Divide each side by '-1'.
x = -7

Simplifying
x = -7

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