f(0)=x+1

Solution for f(0)=x+1 equation:

Simplifying
f(0) = x + 1

Reorder the terms for easier multiplication:
0f = x + 1

Anything times zero is zero.
0f = x + 1

Reorder the terms:
0 = 1 + x

Solving
0 = 1 + 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 = 1 + x + -1x
Remove the zero:
-1x = 1 + x + -1x

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

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

Simplifying
x = -1