2a-a+(-6)=0

Solution for 2a-a+(-6)=0 equation:

Simplifying
2a + -1a + (-6) = 0
2a + -1a + -6 = 0

Reorder the terms:
-6 + 2a + -1a = 0

Combine like terms: 2a + -1a = 1a
-6 + 1a = 0

Solving
-6 + 1a = 0

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 6 + 1a = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 1a = 0 + 6
1a = 0 + 6

Combine like terms: 0 + 6 = 6
1a = 6

Divide each side by '1'.
a = 6

Simplifying
a = 6