A+1-a=0

Solution for A+1-a=0 equation:

Simplifying
A + 1 + -1a = 0

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

Solving
1 + A + -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 + A + -1 + -1a = 0 + -1

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

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

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

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

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

Simplifying
A = -1 + a