2a+-19=a

Solution for 2a+-19=a equation:

Simplifying
2a + -19 = a

Reorder the terms:
-19 + 2a = a

Solving
-19 + 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.
-19 + 2a + -1a = a + -1a

Combine like terms: 2a + -1a = 1a
-19 + 1a = a + -1a

Combine like terms: a + -1a = 0
-19 + 1a = 0

Add '19' to each side of the equation.
-19 + 19 + 1a = 0 + 19

Combine like terms: -19 + 19 = 0
0 + 1a = 0 + 19
1a = 0 + 19

Combine like terms: 0 + 19 = 19
1a = 19

Divide each side by '1'.
a = 19

Simplifying
a = 19