2a-(a+1)=

Solution for 2a-(a+1)= equation:

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

Reorder the terms:
2a + -1(1 + a) = 0
2a + (1 * -1 + a * -1) = 0
2a + (-1 + -1a) = 0

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

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

Solving
-1 + 1a = 0

Solving for variable 'a'.

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

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

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

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

Divide each side by '1'.
a = 1

Simplifying
a = 1