13=0+x

Solution for 13=0+x equation:

Simplifying
13 = 0 + x
Remove the zero:
13 = x

Solving
13 = 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.
13 + -1x = x + -1x

Combine like terms: x + -1x = 0
13 + -1x = 0

Add '-13' to each side of the equation.
13 + -13 + -1x = 0 + -13

Combine like terms: 13 + -13 = 0
0 + -1x = 0 + -13
-1x = 0 + -13

Combine like terms: 0 + -13 = -13
-1x = -13

Divide each side by '-1'.
x = 13

Simplifying
x = 13