45+13=x

Solution for 45+13=x equation:

Simplifying
45 + 13 = x

Combine like terms: 45 + 13 = 58
58 = x

Solving
58 = 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.
58 + -1x = x + -1x

Combine like terms: x + -1x = 0
58 + -1x = 0

Add '-58' to each side of the equation.
58 + -58 + -1x = 0 + -58

Combine like terms: 58 + -58 = 0
0 + -1x = 0 + -58
-1x = 0 + -58

Combine like terms: 0 + -58 = -58
-1x = -58

Divide each side by '-1'.
x = 58

Simplifying
x = 58