1=a-1-1

Solution for 1=a-1-1 equation:

Simplifying
1 = a + -1 + -1

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

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

Solving
1 = -2 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
1 + -1a = -2 + a + -1a

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

Add '-1' to each side of the equation.
1 + -1 + -1a = -2 + -1

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

Combine like terms: -2 + -1 = -3
-1a = -3

Divide each side by '-1'.
a = 3

Simplifying
a = 3