9a+1=8a

Solution for 9a+1=8a equation:

Simplifying
9a + 1 = 8a

Reorder the terms:
1 + 9a = 8a

Solving
1 + 9a = 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
1 + 9a + -8a = 8a + -8a

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

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

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

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

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

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

Simplifying
a = -1