4a+9a+3+5=

Solution for 4a+9a+3+5= equation:

Simplifying
4a + 9a + 3 + 5 = 0

Reorder the terms:
3 + 5 + 4a + 9a = 0

Combine like terms: 3 + 5 = 8
8 + 4a + 9a = 0

Combine like terms: 4a + 9a = 13a
8 + 13a = 0

Solving
8 + 13a = 0

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + 13a = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 13a = 0 + -8
13a = 0 + -8

Combine like terms: 0 + -8 = -8
13a = -8

Divide each side by '13'.
a = -0.6153846154

Simplifying
a = -0.6153846154