3a+a+5a+6=

Solution for 3a+a+5a+6= equation:

Simplifying
3a + a + 5a + 6 = 0

Reorder the terms:
6 + 3a + a + 5a = 0

Combine like terms: 3a + a = 4a
6 + 4a + 5a = 0

Combine like terms: 4a + 5a = 9a
6 + 9a = 0

Solving
6 + 9a = 0

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + 9a = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 9a = 0 + -6
9a = 0 + -6

Combine like terms: 0 + -6 = -6
9a = -6

Divide each side by '9'.
a = -0.6666666667

Simplifying
a = -0.6666666667