ax+(a-1)=y

Solution for ax+(a-1)=y equation:

Simplifying
ax + (a + -1) = y

Reorder the terms:
ax + (-1 + a) = y

Remove parenthesis around (-1 + a)
ax + -1 + a = y

Reorder the terms:
-1 + a + ax = y

Solving
-1 + a + ax = y

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 + ax = 1 + y

Reorder the terms:
-1 + 1 + a + ax = 1 + y

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

Reorder the terms:
-1 + a + ax + -1y = 1 + y + -1 + -1y

Reorder the terms:
-1 + a + ax + -1y = 1 + -1 + y + -1y

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

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

The solution to this equation could not be determined.