9a+4a-6b-4a=

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

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

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

Combine like terms: 9a + 4a = 13a
13a + -4a + -6b = 0

Combine like terms: 13a + -4a = 9a
9a + -6b = 0

Solving
9a + -6b = 0

Solving for variable 'a'.

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

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

Combine like terms: -6b + 6b = 0
9a + 0 = 0 + 6b
9a = 0 + 6b
Remove the zero:
9a = 6b

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

Simplifying
a = 0.6666666667b