9a+7a+4a-6=

Solution for 9a+7a+4a-6= equation:

Simplifying
9a + 7a + 4a + -6 = 0

Reorder the terms:
-6 + 9a + 7a + 4a = 0

Combine like terms: 9a + 7a = 16a
-6 + 16a + 4a = 0

Combine like terms: 16a + 4a = 20a
-6 + 20a = 0

Solving
-6 + 20a = 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 + 20a = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 20a = 0 + 6
20a = 0 + 6

Combine like terms: 0 + 6 = 6
20a = 6

Divide each side by '20'.
a = 0.3

Simplifying
a = 0.3