4a+6b-9a-3b=

Solution for 4a+6b-9a-3b= equation:

Simplifying
4a + 6b + -9a + -3b = 0

Reorder the terms:
4a + -9a + 6b + -3b = 0

Combine like terms: 4a + -9a = -5a
-5a + 6b + -3b = 0

Combine like terms: 6b + -3b = 3b
-5a + 3b = 0

Solving
-5a + 3b = 0

Solving for variable 'a'.

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

Add '-3b' to each side of the equation.
-5a + 3b + -3b = 0 + -3b

Combine like terms: 3b + -3b = 0
-5a + 0 = 0 + -3b
-5a = 0 + -3b
Remove the zero:
-5a = -3b

Divide each side by '-5'.
a = 0.6b

Simplifying
a = 0.6b