15+18=x

Solution for 15+18=x equation:

Simplifying
15 + 18 = x

Combine like terms: 15 + 18 = 33
33 = x

Solving
33 = 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.
33 + -1x = x + -1x

Combine like terms: x + -1x = 0
33 + -1x = 0

Add '-33' to each side of the equation.
33 + -33 + -1x = 0 + -33

Combine like terms: 33 + -33 = 0
0 + -1x = 0 + -33
-1x = 0 + -33

Combine like terms: 0 + -33 = -33
-1x = -33

Divide each side by '-1'.
x = 33

Simplifying
x = 33