72=x+4

Solution for 72=x+4 equation:

Simplifying
72 = x + 4

Reorder the terms:
72 = 4 + x

Solving
72 = 4 + 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.
72 + -1x = 4 + x + -1x

Combine like terms: x + -1x = 0
72 + -1x = 4 + 0
72 + -1x = 4

Add '-72' to each side of the equation.
72 + -72 + -1x = 4 + -72

Combine like terms: 72 + -72 = 0
0 + -1x = 4 + -72
-1x = 4 + -72

Combine like terms: 4 + -72 = -68
-1x = -68

Divide each side by '-1'.
x = 68

Simplifying
x = 68