2a-28=a

Solution for 2a-28=a equation:

Simplifying
2a + -28 = a

Reorder the terms:
-28 + 2a = a

Solving
-28 + 2a = 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.
-28 + 2a + -1a = a + -1a

Combine like terms: 2a + -1a = 1a
-28 + 1a = a + -1a

Combine like terms: a + -1a = 0
-28 + 1a = 0

Add '28' to each side of the equation.
-28 + 28 + 1a = 0 + 28

Combine like terms: -28 + 28 = 0
0 + 1a = 0 + 28
1a = 0 + 28

Combine like terms: 0 + 28 = 28
1a = 28

Divide each side by '1'.
a = 28

Simplifying
a = 28