6a+9+7a-3=

Solution for 6a+9+7a-3= equation:

Simplifying
6a + 9 + 7a + -3 = 0

Reorder the terms:
9 + -3 + 6a + 7a = 0

Combine like terms: 9 + -3 = 6
6 + 6a + 7a = 0

Combine like terms: 6a + 7a = 13a
6 + 13a = 0

Solving
6 + 13a = 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 + 13a = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 13a = 0 + -6
13a = 0 + -6

Combine like terms: 0 + -6 = -6
13a = -6

Divide each side by '13'.
a = -0.4615384615

Simplifying
a = -0.4615384615