3+72=x

Solution for 3+72=x equation:

Simplifying
3 + 72 = x

Combine like terms: 3 + 72 = 75
75 = x

Solving
75 = 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.
75 + -1x = x + -1x

Combine like terms: x + -1x = 0
75 + -1x = 0

Add '-75' to each side of the equation.
75 + -75 + -1x = 0 + -75

Combine like terms: 75 + -75 = 0
0 + -1x = 0 + -75
-1x = 0 + -75

Combine like terms: 0 + -75 = -75
-1x = -75

Divide each side by '-1'.
x = 75

Simplifying
x = 75