3a+8a+a-1=

Solution for 3a+8a+a-1= equation:

Simplifying
3a + 8a + a + -1 = 0

Reorder the terms:
-1 + 3a + 8a + a = 0

Combine like terms: 3a + 8a = 11a
-1 + 11a + a = 0

Combine like terms: 11a + a = 12a
-1 + 12a = 0

Solving
-1 + 12a = 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 + 1 + 12a = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 12a = 0 + 1
12a = 0 + 1

Combine like terms: 0 + 1 = 1
12a = 1

Divide each side by '12'.
a = 0.08333333333

Simplifying
a = 0.08333333333