33=x+42

Solution for 33=x+42 equation:

Simplifying
33 = x + 42

Reorder the terms:
33 = 42 + x

Solving
33 = 42 + 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 = 42 + x + -1x

Combine like terms: x + -1x = 0
33 + -1x = 42 + 0
33 + -1x = 42

Add '-33' to each side of the equation.
33 + -33 + -1x = 42 + -33

Combine like terms: 33 + -33 = 0
0 + -1x = 42 + -33
-1x = 42 + -33

Combine like terms: 42 + -33 = 9
-1x = 9

Divide each side by '-1'.
x = -9

Simplifying
x = -9