4a-72=a

Solution for 4a-72=a equation:

Simplifying
4a + -72 = a

Reorder the terms:
-72 + 4a = a

Solving
-72 + 4a = a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

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

Combine like terms: 4a + -1a = 3a
-72 + 3a = a + -1a

Combine like terms: a + -1a = 0
-72 + 3a = 0

Add '72' to each side of the equation.
-72 + 72 + 3a = 0 + 72

Combine like terms: -72 + 72 = 0
0 + 3a = 0 + 72
3a = 0 + 72

Combine like terms: 0 + 72 = 72
3a = 72

Divide each side by '3'.
a = 24

Simplifying
a = 24