9a-1+8c-8a+c=0

Solution for 9a-1+8c-8a+c=0 equation:

Simplifying
9a + -1 + 8c + -8a + c = 0

Reorder the terms:
-1 + 9a + -8a + 8c + c = 0

Combine like terms: 9a + -8a = 1a
-1 + 1a + 8c + c = 0

Combine like terms: 8c + c = 9c
-1 + 1a + 9c = 0

Solving
-1 + 1a + 9c = 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 + 1a + 1 + 9c = 0 + 1

Reorder the terms:
-1 + 1 + 1a + 9c = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 1a + 9c = 0 + 1
1a + 9c = 0 + 1

Combine like terms: 0 + 1 = 1
1a + 9c = 1

Add '-9c' to each side of the equation.
1a + 9c + -9c = 1 + -9c

Combine like terms: 9c + -9c = 0
1a + 0 = 1 + -9c
1a = 1 + -9c

Divide each side by '1'.
a = 1 + -9c

Simplifying
a = 1 + -9c