397+99=x

Solution for 397+99=x equation:

Simplifying
397 + 99 = x

Combine like terms: 397 + 99 = 496
496 = x

Solving
496 = 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.
496 + -1x = x + -1x

Combine like terms: x + -1x = 0
496 + -1x = 0

Add '-496' to each side of the equation.
496 + -496 + -1x = 0 + -496

Combine like terms: 496 + -496 = 0
0 + -1x = 0 + -496
-1x = 0 + -496

Combine like terms: 0 + -496 = -496
-1x = -496

Divide each side by '-1'.
x = 496

Simplifying
x = 496