-2+a-b+1=0

Solution for -2+a-b+1=0 equation:

Simplifying
-2 + a + -1b + 1 = 0

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

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

Solving
-1 + a + -1b = 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 + a + 1 + -1b = 0 + 1

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

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

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

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

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

Simplifying
a = 1 + b