7-1=6-a

Solution for 7-1=6-a equation:

Simplifying
7 + -1 = 6 + -1a

Combine like terms: 7 + -1 = 6
6 = 6 + -1a

Add '-6' to each side of the equation.
6 + -6 = 6 + -6 + -1a

Combine like terms: 6 + -6 = 0
0 = 6 + -6 + -1a

Combine like terms: 6 + -6 = 0
0 = 0 + -1a
0 = -1a

Solving
0 = -1a

Solving for variable 'a'.

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

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

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

Simplifying
a = 0